OpenTechnical

OT-2026-000007890

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000007890) never changes.

Identity and time

Publication numberOT-2026-000007890 · never reused
Internal UUID01a0ae6a-908a-794c-85ef-6aa16e32d408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007890
StatusPUBLIC

Content hashes

Canonical textff92a95106e055e634ba3a395a9a2de832d32874afe9ca92639491fd183cdf69
Markdown2d27b6bae96e7adcfc2230512ee993f3e16580b5d26a85c20132cdaa812369e1
PDF
Publication pageb29d9fff798725411cceb5609e45245972951e8d1caa4522588ca53fc76601c2
Manifestc8888d6ea00842c7ceac03df5e4da97cba953811e437a1dff6fe364f79f14792

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
SignatureM9AAE+fFWZhOCW4mW4TUkgeEOkYYYnOj7R3tHn00dxLTUGGsmdhcE+2JFf2DcP8U2DT4si+UMQ1dcECuPMPsCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:21.105602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890
observed b29d9fff798725411cceb5609e452459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.085116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890/manifest.json
observed c8888d6ea00842c7ceac03df5e4da97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.065633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890/publication.md
observed 2d27b6bae96e7adcfc2230512ee993f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.045672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890/publication.txt
observed ff92a95106e055e634ba3a395a9a2de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.780524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890
observed b29d9fff798725411cceb5609e452459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.761824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890/manifest.json
observed c8888d6ea00842c7ceac03df5e4da97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.744551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890/publication.md
observed 2d27b6bae96e7adcfc2230512ee993f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.725328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007890/publication.txt
observed ff92a95106e055e634ba3a395a9a2de8...
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.