OpenTechnical

OT-2026-000029224

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off before 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-2026-000029224) never changes.

Identity and time

Publication numberOT-2026-000029224 · never reused
Internal UUID01a0ae73-2aa0-7b96-8717-47c4287623d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029224
StatusPUBLIC

Content hashes

Canonical textb3c81c0b68426980bd34b88443a70e1f0e505e5ec935834c97c921d95ddaa4d6
Markdowna956061161b0ef240fd917cc9cfb76ce74bcd8204e4b1f6a22f1ea03dbab6509
PDF
Publication page199d0c58633108f8e6dbf33c0fdef0b87903cfc746114d4ab722e8ad4898f9e6
Manifest8425e7021291a115aa732cf086444a5df42806e8320f40f76cc5f981943ddcd8

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
SignatureWigh8OQeW1qdnjQP+suyxHjl2IjcTxcscMdtgDOZKTOZ5uzDpJ0eDkXQYmyX+e2sbHggEihXz3ZmYKkoHDgKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:39:50.766214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029224
observed 199d0c58633108f8e6dbf33c0fdef0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.748548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029224/manifest.json
observed 8425e7021291a115aa732cf086444a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.729612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029224/publication.md
observed a956061161b0ef240fd917cc9cfb76ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.710484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029224/publication.txt
observed b3c81c0b68426980bd34b88443a70e1f...
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

Custody packagePending Custody packages are produced weekly.