OpenTechnical

OT-2026-000079660

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000079660) never changes.

Identity and time

Publication numberOT-2026-000079660 · never reused
Internal UUID01a0ae96-0b93-7fff-8377-a6c01b17d9a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079660
StatusPUBLIC

Content hashes

Canonical text3dbeaa64f649564231c185c2e111610835c55b4621247ec1abedf46d7a8548a5
Markdowncc4619124c2f0537c294b1a4e17cecd11f5ac8b4ec0372572c255ca113cdce87
PDF
Publication page523c4ec212bb78f7bd7d4902ebfac83805c163f0ea8350debb9d3bc4822e8f1e
Manifestcfecbb9df98a744bbc96a4b6e1fb65171e556c7a3c26d14d31c4b95c6ad75234

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
Signaturelit2jCcgaCCjMjXPWf8y97u/NhfafUOwRByPb94Ttnkhbsrn8FgCjgNUfbGlXnhBIGIbaCjAwzJJAwVitH4YBQ==
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

2026-09-17T10:05:19.544719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079660
observed 523c4ec212bb78f7bd7d4902ebfac838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.521001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079660/manifest.json
observed cfecbb9df98a744bbc96a4b6e1fb6517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.503080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079660/publication.md
observed cc4619124c2f0537c294b1a4e17cecd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.485460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079660/publication.txt
observed 3dbeaa64f649564231c185c2e1116108...
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.