OpenTechnical

OT-2026-000040257

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040257) never changes.

Identity and time

Publication numberOT-2026-000040257 · never reused
Internal UUID01a0ae79-2700-7f58-8b86-5d52bef212c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040257
StatusPUBLIC

Content hashes

Canonical text895f013f4dcf27d2e5f900d84a2476a6da34ea0f03f8ae8c7821716bd6147872
Markdown7ada65d7b23e0c2f316bf7292c24029c9436aca35a2d47375f184b0a3fce01cb
PDF
Publication page54611048706b8bdc31df7dfef5c11298fbaf17b888ff12d226b1e381852958a1
Manifestc341fab15286d57c6f2d01b57be092a348656938494c74606d15e207012b879f

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
Signaturedebjrg8vzdQAv6dIivC7yLr+M3poVGFYvO06tw9Mdqan44dk1PsQyaH0Wb/DBJxBRorrurv567PyiwmJ6EZuAA==
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

2026-09-17T11:19:09.349665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040257
observed 54611048706b8bdc31df7dfef5c11298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.331298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040257/manifest.json
observed c341fab15286d57c6f2d01b57be092a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.312569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040257/publication.md
observed 7ada65d7b23e0c2f316bf7292c24029c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.291987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040257/publication.txt
observed 895f013f4dcf27d2e5f900d84a2476a6...
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.