OpenTechnical

OT-2026-000087218

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000087218) never changes.

Identity and time

Publication numberOT-2026-000087218 · never reused
Internal UUID01a0ae9a-9f2e-7bcb-91eb-b28b07217457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087218
StatusPUBLIC

Content hashes

Canonical text7359d34be21642ab2a210b9a36608dca5da77627044da130e7ef3826a5aec9e5
Markdown2c3f68a160b312fdec5ad1ac081af1b1a5108e3bab1d66c9c0fd2c52750e1c5c
PDF
Publication pagec5739251e0a0b5c71ce6b3850fa06ab4eed027b3bc8d8bbfb70ab1be47a15a44
Manifest888c53ed749f8264c452b78fc2d2f66dcf0c529d10e13e6bca6f673b8297eb20

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
SignatureD8ldciXGMme6//c6wrQSPins777fRhIKoseDmScNKz/yqQSvH3sKnnbexgmHnE3Fl4/26GKCpFyO/JRfRhIUBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:29.968527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087218
observed c5739251e0a0b5c71ce6b3850fa06ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.950780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087218/manifest.json
observed 888c53ed749f8264c452b78fc2d2f66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.933197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087218/publication.md
observed 2c3f68a160b312fdec5ad1ac081af1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.915850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087218/publication.txt
observed 7359d34be21642ab2a210b9a36608dca...
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.