OpenTechnical

OT-2026-000058679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000058679) never changes.

Identity and time

Publication numberOT-2026-000058679 · never reused
Internal UUID01a0ae88-f39d-784b-94c2-011644eec64d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058679
StatusPUBLIC

Content hashes

Canonical text2cb967622de725f09a827b885fc7c9abe2f3583b4e2e94ad2e19676b48396dd3
Markdown686325cbbeeef63111727e1f10c1ccd5b1a0485734675481d8a8d23c0a8dde74
PDF
Publication pageafb91b6a02df25cec9bb9a723fa0a0872372713c2f695290df7243bce75f2aa8
Manifest813032f61ce0920ebe0bbe2bfeab7fb5bb52208745657b201b809acb8358e4ba

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
SignaturePWvSqjvk9eadSy8sHR0YYAD13K2LwC5Inyo+f6P2JlW8LU8eP35hiYXnf6+AceiWn+gzldbe6KSDtG7X9wzCCA==
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...

Independent retrieval

2026-09-17T10:47:11.955491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058679
observed afb91b6a02df25cec9bb9a723fa0a087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.940023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058679/manifest.json
observed 813032f61ce0920ebe0bbe2bfeab7fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.922705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058679/publication.md
observed 686325cbbeeef63111727e1f10c1ccd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.904741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058679/publication.txt
observed 2cb967622de725f09a827b885fc7c9ab...
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.