OpenTechnical

OT-2026-000036463

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036463) never changes.

Identity and time

Publication numberOT-2026-000036463 · never reused
Internal UUID01a0ae77-01d1-76f8-ab2b-a1958d84c91d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036463
StatusPUBLIC

Content hashes

Canonical texte172bcc24814db05dea5ff5b284495dece5cb84b70b8a6b181f0a8b5b1ea0c5f
Markdownec55bc99477f2156c8e036ad3303ba3f34f92ab9a74bac0b20b9958224779055
PDF
Publication page01e56000ba40646383e8ce1f6f59b897a9265670c657abebd9622f1d88b8deca
Manifest4895c7450a1d0e4a72424753a3f4218cd1c18ee0ad74996ca02553c02db8b194

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
Signatured8ZKL1nqnB91m5RQBvfCpEztLqJpkiLVszauFTpUa/Gs1I9i6TUWb/wC6KTK+ONJsxRpB0eqwb4/j1bfzNVgBA==
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

2026-09-17T11:26:51.896919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036463
observed 01e56000ba40646383e8ce1f6f59b897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.879342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036463/manifest.json
observed 4895c7450a1d0e4a72424753a3f4218c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.862863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036463/publication.md
observed ec55bc99477f2156c8e036ad3303ba3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.845687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036463/publication.txt
observed e172bcc24814db05dea5ff5b284495de...
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.