OpenTechnical

OT-2026-000081821

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000081821) never changes.

Identity and time

Publication numberOT-2026-000081821 · never reused
Internal UUID01a0ae97-0f75-7d12-b838-44ead9bfd374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081821
StatusPUBLIC

Content hashes

Canonical texte5830e0c19b3202255eed5d682fc741c38328503a50530c67beb7676e057c2cd
Markdownb4955786aa840e14f79195ddd82562a3c9acad617652d5764bb8a653eb78f513
PDF
Publication page807e78a964b50055f21d4eaeec66e112597c0a1b62e9535485ce8c77aeece7ba
Manifestf73a91f5ccce8338739c456832b1e918d3a7c40bf352727ad5adf791c809816d

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
SignaturephFWrpVnXtWaB1+HqyKzSzixoYapVEW2BIaNA9FApxjH3jGX2RzJRDMwFcO+gZjHwnS3EDvjjMx3RQEU5DxFCw==
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

2026-09-17T09:59:55.675289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081821
observed 807e78a964b50055f21d4eaeec66e112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.656523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081821/manifest.json
observed f73a91f5ccce8338739c456832b1e918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.638294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081821/publication.md
observed b4955786aa840e14f79195ddd82562a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.620541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081821/publication.txt
observed e5830e0c19b3202255eed5d682fc741c...
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.