OpenTechnical

OT-2026-000045489

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000045489) never changes.

Identity and time

Publication numberOT-2026-000045489 · never reused
Internal UUID01a0ae7c-f76d-720a-a710-1c1ec0b61640 · 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-2026-000045489
StatusPUBLIC

Content hashes

Canonical text4354caad5f681f68a01496721591a71db85d404c39b91909636ed1b62ffb9dfc
Markdown43a9072ac8856dc6c879af6aae869c2f3c17fd93fb43a1bcc3aa1044f84f4566
PDF
Publication page051da1f22176055232e61a5761d81834f1615929e3caa8a6f28a811ba955cfa0
Manifest0e0e7a223ca5de66c80af1122426ce930767861f33a5c8fb13930cf19c781cdd

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
SignatureIpFuFxwC7di47YvXGP/f8xVzK9jtmtGtFNZKcs8jyfqkTe/SzMlqBwEBhnXXn2b089zi7urfdZh2+bkLykPJDQ==
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

2026-09-17T11:11:18.259647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045489
observed 051da1f22176055232e61a5761d81834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.242113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045489/manifest.json
observed 0e0e7a223ca5de66c80af1122426ce93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.224928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045489/publication.md
observed 43a9072ac8856dc6c879af6aae869c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.206864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045489/publication.txt
observed 4354caad5f681f68a01496721591a71d...
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.