OpenTechnical

OT-2026-000092888

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000092888) never changes.

Identity and time

Publication numberOT-2026-000092888 · never reused
Internal UUID01a0ae9e-090e-7066-a63f-4b4b73eff638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092888
StatusPUBLIC

Content hashes

Canonical textdbc34546fcea2baf8e1f9f0627e330801183fe636296545397a3ceeaafcd21e3
Markdowne10fe43c23763ce7a1b8ee5a3bd3ce480b4b2ee537323fe4a156e20841535708
PDF
Publication pageeca6cb8839ad75e37954729a524025d617911bb1333b467770ce58a6493d37e1
Manifest7ce662bdad9b0f4b4f7df8d6a21b367490363986e1fdfe157cf20766dcd70d85

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
Signature0+UsmjKiwKJXq1VilacIjo74xL2NUiHuO0h++gYVcVM+dUtRM5SSzPVm0Q0DEi3PISruN8Y/FAYwOb5iNJcsCg==
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

2026-09-17T09:39:59.903857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092888
observed eca6cb8839ad75e37954729a524025d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.885825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092888/manifest.json
observed 7ce662bdad9b0f4b4f7df8d6a21b3674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.867449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092888/publication.md
observed e10fe43c23763ce7a1b8ee5a3bd3ce48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.843755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092888/publication.txt
observed dbc34546fcea2baf8e1f9f0627e33080...
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.