OpenTechnical

OT-2026-000026283

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000026283) never changes.

Identity and time

Publication numberOT-2026-000026283 · never reused
Internal UUID01a0ae71-f4a6-7008-99f5-999c93a5b30e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026283
StatusPUBLIC

Content hashes

Canonical texta259a5e48926c2674fdc080f90fe861adefae1c246597bc8495a07a981a96a08
Markdown742a17f01a6a3114a3ddeed161eb5ef89f62d45d493dc6434f6131964a6937b1
PDF
Publication page3ada22c14b7e29415f31341bbdae8ab2f5e3ede1225e0c35ada73363d2a06d5d
Manifest9c1a122ef67d6a9003f3de99530c58416fa1a353652ee3c99846bc9a93d51997

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
SignatureW0qYpclgqT/kDn/LyZNmDIieYiQnDtwZT+AGPthJ6YnVUmhGetXAbcNto+M3cQW75VmZ674v91t8XWDFi/xTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:13.849883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026283
observed 3ada22c14b7e29415f31341bbdae8ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.834667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026283/manifest.json
observed 9c1a122ef67d6a9003f3de99530c5841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.817669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026283/publication.md
observed 742a17f01a6a3114a3ddeed161eb5ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.801449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026283/publication.txt
observed a259a5e48926c2674fdc080f90fe861a...
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.