OpenTechnical

OT-2026-000054790

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000054790) never changes.

Identity and time

Publication numberOT-2026-000054790 · never reused
Internal UUID01a0ae86-1285-7ebd-8d57-a435286a1427 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054790
StatusPUBLIC

Content hashes

Canonical textb0c50b93ad806101c42b7438242ef6b00b78100d34537cb92ce9887f3a5e0e80
Markdown56f4507035720817bd1be9e21eab8acf48e91dfbf0c1932719f622fa064b2f49
PDF
Publication pagecb6a14593dc39432f4b2ad93b37e605219364ff910ba686ccb5c142436ddc5f4
Manifest06f89837fb9fa4ea24abdc91b91a0f587ad7a51512e39d75245f14370b6c04f1

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
Signature0WCjoPrAlj3CjuwUruIIZGGQKz30Pw+Ia9zrrrLvgfofTDnlfRrUXG0FtL+SyjGPlGEnyBiVsfHcJ3ikv/SXDg==
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

2026-09-17T10:53:59.352533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054790
observed cb6a14593dc39432f4b2ad93b37e6052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.334334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054790/manifest.json
observed 06f89837fb9fa4ea24abdc91b91a0f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.315015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054790/publication.md
observed 56f4507035720817bd1be9e21eab8acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.295924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054790/publication.txt
observed b0c50b93ad806101c42b7438242ef6b0...
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.