OpenTechnical

OT-2026-000021198

Publication integrity record

Three pad foam 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-2026-000021198) never changes.

Identity and time

Publication numberOT-2026-000021198 · never reused
Internal UUID01a0ae6f-865b-7968-bea6-aac836e1dbd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021198
StatusPUBLIC

Content hashes

Canonical text5de46d1da7aaf617ea897b284ce7320f939d46d84ae9cf6397c8e7059ae677a1
Markdown94119d1fec2aace9dbd3865a8374aec0ce0389f38714bad684b8d1197d7d706e
PDF
Publication page7d4bd81193ee18cc1e396b062c12f128a3d0169d85d7f195ba20697bccd7d60c
Manifest3f7192db47f06fd0d4ec6d3506e0d4a843ffeeb4970378168e90c3e1f7add439

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
SignatureqWh2py24XSBysUqA7vwuWGy9QTlSR5Ac8TOEqRmHpfcmQ2nmUY+S1CZjP4CE/mQSVyE15SQxTQskAAMQQK1RCA==
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

2026-09-17T11:54:59.602872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021198
observed 7d4bd81193ee18cc1e396b062c12f128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.585950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021198/manifest.json
observed 3f7192db47f06fd0d4ec6d3506e0d4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.569150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021198/publication.md
observed 94119d1fec2aace9dbd3865a8374aec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.550285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021198/publication.txt
observed 5de46d1da7aaf617ea897b284ce7320f...
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.