OpenTechnical

OT-2026-000038751

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000038751) never changes.

Identity and time

Publication numberOT-2026-000038751 · never reused
Internal UUID01a0ae78-769e-77a0-9ab1-661a115d54c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038751
StatusPUBLIC

Content hashes

Canonical text1582a3b75ab92473e936a4cd117d4e4f4ecfb4eb776ccf7421f4230ca16fb8b7
Markdown924f7ff7cebb8605bdd229f4df34a168a0ea873aad7859fc0a82010a70d0e3a3
PDF
Publication page77e7262c19accb59412aadbcf2cf5739e8e8ad4237ea3bb99488ed75817b5f4f
Manifest89c171b2f45578023e9e979626eb6eac73b050a6e61a83c9e35a7f48bff6e6ad

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
SignatureeeKcrqqj29gf03ecC1bYoFEN1m39jhbXE2MnmrC0InIVTSUxezMxY2VhEG/maojCcrYdKEcbnvk0mF4hVTYKAg==
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

2026-09-17T11:21:17.229340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038751
observed 77e7262c19accb59412aadbcf2cf5739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.208956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038751/manifest.json
observed 89c171b2f45578023e9e979626eb6eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.189815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038751/publication.md
observed 924f7ff7cebb8605bdd229f4df34a168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.169992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038751/publication.txt
observed 1582a3b75ab92473e936a4cd117d4e4f...
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.