OpenTechnical

OT-2026-000054514

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000054514) never changes.

Identity and time

Publication numberOT-2026-000054514 · never reused
Internal UUID01a0ae86-1283-727d-917a-527e02619577 · 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-2026-000054514
StatusPUBLIC

Content hashes

Canonical textf393e4c382e0f65807230e727deca4fb94b0934604a01813440c6b2ca2d4925d
Markdownef58ea1ccdf22643afa589fc4b48dc2e74f91d7184217dd536a6eedb9f76f7be
PDF
Publication pagea5a85c8e9103382a5aa9f4cef06831e4346aba7f665393598b1119b3750b6fe2
Manifest437ef6ec5861e0ab4a41472a87896080fd33f669c059a89d1f365e4dc921bc99

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
Signature+v4laGMqCNnf0jBB4tOTp1oADP8OP//PNnEHkjL5jDmWstuuoUMu+W6X3ruEugfpC57SPH1p/GnR5dS6OiImCQ==
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

2026-09-17T10:53:31.300077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054514
observed a5a85c8e9103382a5aa9f4cef06831e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.282423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054514/manifest.json
observed 437ef6ec5861e0ab4a41472a87896080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.263352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054514/publication.md
observed ef58ea1ccdf22643afa589fc4b48dc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.241627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054514/publication.txt
observed f393e4c382e0f65807230e727deca4fb...
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.