OpenTechnical

OT-2026-000048455

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000048455) never changes.

Identity and time

Publication numberOT-2026-000048455 · never reused
Internal UUID01a0ae80-4de5-724e-b933-18583d52ad2d · 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-2026-000048455
StatusPUBLIC

Content hashes

Canonical text8c54ceb7d7d8fc4316875e629a0b80e4a907db6b9eb15e263b4a4508c63aec24
Markdown92f86002ae2d2134ce79bc9844608513b09c52c73c0dd524e40a5ace256cdecb
PDF
Publication page730c9b7766e4de810127399312eb4a626cfa1186c0f39d9f29d8b52206cfd793
Manifest9e1247ea5edad26889bc390a78fdebdd4ae9e860f29922e0883f721bd1079b61

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
Signature8+QD+kDy9ao9N2JbH32wJUSiALQzT6jUcPl5g5jkmgsBpg3fB0OQ15XspcjzAX5K+SeI8PsNmCgYSZZlngdABQ==
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

2026-09-17T11:05:06.748442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048455
observed 730c9b7766e4de810127399312eb4a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.728268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048455/manifest.json
observed 9e1247ea5edad26889bc390a78fdebdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.708533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048455/publication.md
observed 92f86002ae2d2134ce79bc9844608513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.688425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048455/publication.txt
observed 8c54ceb7d7d8fc4316875e629a0b80e4...
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.