OpenTechnical

OT-2026-000051137

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000051137) never changes.

Identity and time

Publication numberOT-2026-000051137 · never reused
Internal UUID01a0ae83-273e-7d58-925a-1e65a6142238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051137
StatusPUBLIC

Content hashes

Canonical textb280d3fd1edcec360696d133df806011a2c241ccb7039f2e451be81f43cc00d0
Markdown7b0636a822b5eb76eca5e5bb09adf074d93a127fd09cdfe1187f69411c3f7038
PDF
Publication page574dcfb6a624bd372f3de49d9be66363bc2eef98582897442cf024f4c3a1a0e4
Manifestc2f9d03e08fd30dc131a715d854fcd422a1a1b6e1e6da9c7a847a888f88e6b3a

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
SignatureJIzb5q5Ae69apRZFQgxiCdfnvC5ydiGk4i9EoRDGV2w8o3VNjBvyPYzmYX3oT1/c3bkkB7vM305ht1KywrnVBg==
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

2026-09-17T10:58:53.616801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051137
observed 574dcfb6a624bd372f3de49d9be66363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:53.596441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051137/manifest.json
observed c2f9d03e08fd30dc131a715d854fcd42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:53.577831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051137/publication.md
observed 7b0636a822b5eb76eca5e5bb09adf074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:53.557282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051137/publication.txt
observed b280d3fd1edcec360696d133df806011...
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.