OpenTechnical

OT-2026-000045677

Publication integrity record

Four cup vacuum gripper, four 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-2026-000045677) never changes.

Identity and time

Publication numberOT-2026-000045677 · never reused
Internal UUID01a0ae7d-8f03-788d-a0f4-a3fe1d2521ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045677
StatusPUBLIC

Content hashes

Canonical textb23d7b707770c9853f67a45740d3ce11c9a801ff3c58058c4e290e09e228ff44
Markdownfdd61d010df6ee2f8628e64819ffcb0bd03c56e9bb42f8ea80b78a33ba400d70
PDF
Publication page9f5453486e9a4c29bc0e3ba44ff757c5b6681e4c55c37078d4ace7adc596fe5b
Manifestaa7e2edcc7de88635043217a1a709ea9f68acd55dff9c2ce3e042232cef56a34

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
Signaturehy+rC0sd82e1YQe2xHqgx2zxWPGhrXabrXoxxESnOW0qVQkOXgPhCSG2hQ12acDFdLwS0c5PLplu8pCgVoBwDw==
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

2026-09-17T11:09:28.581232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045677
observed 9f5453486e9a4c29bc0e3ba44ff757c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.563114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045677/manifest.json
observed aa7e2edcc7de88635043217a1a709ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.544091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045677/publication.md
observed fdd61d010df6ee2f8628e64819ffcb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.524143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045677/publication.txt
observed b23d7b707770c9853f67a45740d3ce11...
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.