OpenTechnical

OT-2026-000054674

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000054674) never changes.

Identity and time

Publication numberOT-2026-000054674 · never reused
Internal UUID01a0ae86-1284-78f4-ab6f-9ab47749f32f · 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-2026-000054674
StatusPUBLIC

Content hashes

Canonical text4b2e053f01f7d0c7dfe5577f6386e32b1f0cc9c42d66fc2081dacda4a0ed15e8
Markdowna5bd2b0064b7d6a7368662330fdff0f1c94b99c54b7929d4b6cf350bcfaa0e6c
PDF
Publication page543c66b5fb86cc4d2a1ce4354050907373f91796164811f8a1664296e2d8bd73
Manifest807a2d9a92d400e83ea2881e48502d1af5b805fac9d0d442d25c79cb455bf9c0

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
SignatureruBpJ8Dp1zKmceeS7nh6tNqPpHSyfSqK9jezOHywPANIXMgh4eL4wtSygWTcmvwY/+iqHzhqhivzZCcTjuOwCw==
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

2026-09-17T10:53:45.015340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054674
observed 543c66b5fb86cc4d2a1ce43540509073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.996651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054674/manifest.json
observed 807a2d9a92d400e83ea2881e48502d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.977919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054674/publication.md
observed a5bd2b0064b7d6a7368662330fdff0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.958095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054674/publication.txt
observed 4b2e053f01f7d0c7dfe5577f6386e32b...
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.