OpenTechnical

OT-2026-000056616

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056616) never changes.

Identity and time

Publication numberOT-2026-000056616 · never reused
Internal UUID01a0ae87-7af5-7ca5-8563-a6a4baa6f59a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056616
StatusPUBLIC

Content hashes

Canonical text3d6d84b57c49b9c6a5700508d8c724ee726367ba836ebb6b78b17105dec376c2
Markdown3df05b39265958ed5b9c2c5d35fb20afea1558c2d96f3b0ba443539b766998c6
PDF
Publication pagec024868b6323e5906d41cd8c231e9699f3ed361b373862e46e9f817ce4d9fe6f
Manifest05f7109c2f0eaa616cb26795d7a8d43ed1890edae088ed6d5a94479eb52e6a29

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturekqBpMZA0pNNj8p6/lSlnHYPerUfaODcNbhUik8C1u6F0tI4KJfXXuB/YWlTFQeU2EeUrLPkMA7BM0jFK9jTDAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-16T04:41:37.874916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616
observed c024868b6323e5906d41cd8c231e9699...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T04:41:37.803727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616/manifest.json
observed 05f7109c2f0eaa616cb26795d7a8d43e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T04:41:37.736485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616/publication.md
observed 3df05b39265958ed5b9c2c5d35fb20af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T04:41:37.675078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616/publication.txt
observed 3d6d84b57c49b9c6a5700508d8c724ee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.228897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616
observed c024868b6323e5906d41cd8c231e9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.212623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616/manifest.json
observed 05f7109c2f0eaa616cb26795d7a8d43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.194959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616/publication.md
observed 3df05b39265958ed5b9c2c5d35fb20af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.178156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056616/publication.txt
observed 3d6d84b57c49b9c6a5700508d8c724ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent