OpenTechnical

OT-2026-000018468

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000018468) never changes.

Identity and time

Publication numberOT-2026-000018468 · never reused
Internal UUID01a0ae6e-b48a-75eb-9838-18127273b4a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018468
StatusPUBLIC

Content hashes

Canonical text96975d9039121947069303a09a7c4a3ddbffa4bc4f9d8c8a0ad3706215bc4b68
Markdown0e38c42c2e12d6b35c4d9a366e9346f9b87531dda81d4caca08f1864a523807d
PDF
Publication page616c2aaf4b939816cf62b6ad1d23b414afd7efeebdbd49c43585eb9f9834d50c
Manifest9992e537bc0f13af6e645703add653cca1ba1dc616ebea4f0a590700408001ec

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
SignatureCd+juKvnsjSRLZDZ6L9pTQS8C2Dr50xkGMepxrYvWqzqgnx0t20mNgWCODsPyvzMKIlL1TafMCZZkj5eOrRxAA==
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

2026-09-17T12:01:13.811736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018468
observed 616c2aaf4b939816cf62b6ad1d23b414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.793834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018468/manifest.json
observed 9992e537bc0f13af6e645703add653cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.776363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018468/publication.md
observed 0e38c42c2e12d6b35c4d9a366e9346f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.759623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018468/publication.txt
observed 96975d9039121947069303a09a7c4a3d...
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.