OpenTechnical

OT-2026-000080863

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000080863) never changes.

Identity and time

Publication numberOT-2026-000080863 · never reused
Internal UUID01a0ae96-b974-764e-b7d4-c2bb30a90e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080863
StatusPUBLIC

Content hashes

Canonical text4e388cacf751687ea88766cd2e0f8b168e1a14b3ff245f28d887733dd1a9c983
Markdown4995582b47045534d2d700e8ef278c4bb76bb3a0a0880c08b2a0a3099cd0361a
PDF
Publication pagee0059f39c247972405f6dfda964f309cfba515e25cf1881ed979cc07ec5c17ce
Manifest0b88c90805acd591b308cbc6d3cb5634a9e6a5fd026a3b6fbf61bc96c5a7cf7a

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
Signatureu6ttVyXYZk3WKGvCix9fuCgaqSFFjmeOPhco1YE5e1qMqUo/kzvKThvf05toaf2hBnrMkuzkvaK/3dQG0J06DQ==
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

2026-09-17T10:02:03.496577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080863
observed e0059f39c247972405f6dfda964f309c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.478670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080863/manifest.json
observed 0b88c90805acd591b308cbc6d3cb5634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.460677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080863/publication.md
observed 4995582b47045534d2d700e8ef278c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.444472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080863/publication.txt
observed 4e388cacf751687ea88766cd2e0f8b16...
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.