OpenTechnical

OT-2026-000087976

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087976) never changes.

Identity and time

Publication numberOT-2026-000087976 · never reused
Internal UUID01a0ae9b-1aa6-7d81-8f7a-ba9e58536f95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087976
StatusPUBLIC

Content hashes

Canonical text67c01143aa5f715c23726cd5906c50cdaf65e3ec8a96e636899b77ea68062254
Markdown0380b1c842d9aff156fba35585b5d4c105182d73abb29d777539a949cee31298
PDF
Publication page2b8a4e75f5404f7b1fd39dbb8cb2e6d26b8813a6ff4d19d4b5ee622ea26d5014
Manifestf002c6335e10a5af3e78b56023a2a9318b5ff65bc697802b8d07480c1b6847bf

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
SignatureAyvuFlMWwxIqQZnivFfcw+jYcF67UorHY0Tg180H9YaD3GOMoePcMuFkC1KwhbQLnKyQ2cYkZdMxTKsRmIluAg==
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

2026-09-17T09:49:16.375382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087976
observed 2b8a4e75f5404f7b1fd39dbb8cb2e6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:16.358295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087976/manifest.json
observed f002c6335e10a5af3e78b56023a2a931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:16.340720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087976/publication.md
observed 0380b1c842d9aff156fba35585b5d4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:16.321825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087976/publication.txt
observed 67c01143aa5f715c23726cd5906c50cd...
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.