OpenTechnical

OT-2026-000040251

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000040251) never changes.

Identity and time

Publication numberOT-2026-000040251 · never reused
Internal UUID01a0ae79-26ff-7bfa-9206-ca95fb3951eb · 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-2026-000040251
StatusPUBLIC

Content hashes

Canonical text7083397d7a29515438ac190f751934d72fee55bbc8e5e1f0fecc7a4d0ba7f6e2
Markdown3eeb577d8705feebcab32876c0e5d7fd1a4435714e5d449f3ea56e9b45b7c95c
PDF
Publication page13852f42044ee66402a0057ab894eb2c7606834e53f5b41e9390004eb70ed931
Manifestb54c6b92def72ff2df1c2d4219c18b432405507c8e634c426a4779b3a97ab212

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
SignatureXXwXRNcRZWAYh2GA6r+sxY6Vaory13zBO5412KDUl6r8MeJ4ad3jcwjZNQE6kjAI2RvmU12wsEbMdT4nG9fXCw==
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

2026-09-17T11:19:08.815200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040251
observed 13852f42044ee66402a0057ab894eb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.798441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040251/manifest.json
observed b54c6b92def72ff2df1c2d4219c18b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.780548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040251/publication.md
observed 3eeb577d8705feebcab32876c0e5d7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.763796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040251/publication.txt
observed 7083397d7a29515438ac190f751934d7...
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.