OpenTechnical

OT-2026-000092222

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000092222) never changes.

Identity and time

Publication numberOT-2026-000092222 · never reused
Internal UUID01a0ae9d-875a-7c33-b192-97af07a29b31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092222
StatusPUBLIC

Content hashes

Canonical text236963226073a00011858e4177d24154c6bc82be9d20a9fc86a278ec93cc9084
Markdownd29ae1b7618bbdab8fa1569cf9a9f9c8614b0dc6246c0cab595f18724db689a1
PDF
Publication page776765f90c0ee4def389b714a6cfacb0707a05b0e1e0dc5301cb58a95fd0d8ad
Manifest0bbcf49a5dca5269687eae142d003a939a0d71095faf0b1fe886392a45c905d1

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
Signature4sDFqePNkPB0DlvBHMLKHoEAgdDBpOEYt6s+0T+9Q8MRs44bVZXv50CkVJmiVbwrPxe0mQU/S8nWQupuIDFBBQ==
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

2026-09-17T09:41:44.145487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092222
observed 776765f90c0ee4def389b714a6cfacb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.124727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092222/manifest.json
observed 0bbcf49a5dca5269687eae142d003a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.104772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092222/publication.md
observed d29ae1b7618bbdab8fa1569cf9a9f9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.085767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092222/publication.txt
observed 236963226073a00011858e4177d24154...
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.