OpenTechnical

OT-2026-000057125

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000057125) never changes.

Identity and time

Publication numberOT-2026-000057125 · never reused
Internal UUID01a0ae87-d5b9-7c5c-98bd-e10a3f10206b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057125
StatusPUBLIC

Content hashes

Canonical texta3e02b9f4be76d5094aee2c116f5a4487370a151d64e6b6565eb74035253f741
Markdownb52f78b71c503658e4cb4aa4d6d6ed028b1170a9a6ac12fc4958889a8ed3023c
PDF
Publication page6ae7e43fc6acd11cb6e684cacfb83050cec8fa15ab748c41b2a144128c35b82f
Manifestb325ce2c5e2efb053a90c1118b3cd2e0d0366183a880295ff263a9ec7a83cb31

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
Signature5/eAtGjmTd3RZ6LcE5clmybePYR+Bx0qKxQtsA2JJ5YryarGb0oabeGOV+A1X0+HTyF0Ofy6gGPD54lr5gnFDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:06.014766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125
observed 6ae7e43fc6acd11cb6e684cacfb83050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.995740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125/manifest.json
observed b325ce2c5e2efb053a90c1118b3cd2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.977536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125/publication.md
observed b52f78b71c503658e4cb4aa4d6d6ed02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.957579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125/publication.txt
observed a3e02b9f4be76d5094aee2c116f5a448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.660010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125
observed 6ae7e43fc6acd11cb6e684cacfb83050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.642957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125/manifest.json
observed b325ce2c5e2efb053a90c1118b3cd2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.626259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125/publication.md
observed b52f78b71c503658e4cb4aa4d6d6ed02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.608170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057125/publication.txt
observed a3e02b9f4be76d5094aee2c116f5a448...
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.