OpenTechnical

OT-2026-000085837

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000085837) never changes.

Identity and time

Publication numberOT-2026-000085837 · never reused
Internal UUID01a0ae99-e829-7aed-b1c4-8e235bdd087a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085837
StatusPUBLIC

Content hashes

Canonical text0b848af8420d1669fbd3dd6cce4d767eb071dc672916a066750f3994cb5ba90d
Markdowna653cd5e05d05e7071eb3ce29398883dd97c2d5ee1be155a5867b7971cc34da6
PDF
Publication pagede428672fe78c72f9a98e9d23894b0c84fdcf41a5ea799e465945d06cb7e01df
Manifestb3707fd2277c4063788fddc823b505db78fa7f4dbe05f17b1adb510d03b9a78f

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
Signature3lXihNq7l8cYhmEPJ1aNZ5/NY1jnoN//6rgIBP9W2jVo5Hb3u0REQAotEGFpmPylvbaKM3rFj8mAZKc1cWVoDQ==
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

2026-09-17T09:52:45.662388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085837
observed de428672fe78c72f9a98e9d23894b0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.645011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085837/manifest.json
observed b3707fd2277c4063788fddc823b505db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.628810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085837/publication.md
observed a653cd5e05d05e7071eb3ce29398883d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.611408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085837/publication.txt
observed 0b848af8420d1669fbd3dd6cce4d767e...
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.