OpenTechnical

OT-2026-000048505

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000048505) never changes.

Identity and time

Publication numberOT-2026-000048505 · never reused
Internal UUID01a0ae80-4de5-7988-a3e6-f2e2de87eb38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048505
StatusPUBLIC

Content hashes

Canonical texta2b5092d6da994e1ff6f36650e3b061798c52c59c1fa8ba7a2f1a6108d251053
Markdown63cb2a971003c9a187566a2e1bc9c5eff3b44602b42321c9b791870c1b8a111a
PDF
Publication page22f335b60ee121615d78226c48ef767be003b1bb17e016cd8a3ba9d9fa8c63ee
Manifested93fc7cdcf4dd13668f9c5edbf8b767e470dec51b67bc6438c1d6c866cfe90d

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
SignatureFZe6t2SxqCFsQ+ywTXMw0B0HNWhgYnArn0Ohzfn9++gtcrQRHwYbfpoJzeY3UdjS+qoJo5bj0Zd+6f9wukuLBw==
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

2026-09-17T11:05:10.849968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048505
observed 22f335b60ee121615d78226c48ef767b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.831569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048505/manifest.json
observed ed93fc7cdcf4dd13668f9c5edbf8b767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.813890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048505/publication.md
observed 63cb2a971003c9a187566a2e1bc9c5ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.794896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048505/publication.txt
observed a2b5092d6da994e1ff6f36650e3b0617...
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.