OpenTechnical

OT-2026-000045303

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000045303) never changes.

Identity and time

Publication numberOT-2026-000045303 · never reused
Internal UUID01a0ae7c-f76b-79cf-a745-d612b26469cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045303
StatusPUBLIC

Content hashes

Canonical texta5454f16a58025ba08132eec80f3a62c7a98f0183b01083aebe055b5dbd48905
Markdownec3d14c2f2c38891c6c67b873b7c364b4f60246d944159426e63472d2e2eae46
PDF
Publication page1e45ccccfc88b4bdbabf3617031ab0a95c6efe2321b67f7db0d407f5a6528899
Manifest6eaffa6a76a1f49c9ae1b046eade49fd84f459c25c317654ea142a09c413777e

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
Signaturek6lmYMTBIMjA1cPMxxANPb7v5fu1dFUzJcdIY/HITYlm7bb/CzWKfnhZ5JEpI/IBJ5Rt1+1LSp3iGj8RMFy1Bg==
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

2026-09-17T11:10:32.910424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045303
observed 1e45ccccfc88b4bdbabf3617031ab0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.890481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045303/manifest.json
observed 6eaffa6a76a1f49c9ae1b046eade49fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.801002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045303/publication.md
observed ec3d14c2f2c38891c6c67b873b7c364b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.757801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045303/publication.txt
observed a5454f16a58025ba08132eec80f3a62c...
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.