OpenTechnical

OT-2026-000089549

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089549) never changes.

Identity and time

Publication numberOT-2026-000089549 · never reused
Internal UUID01a0ae9c-1a21-71d7-b9d5-698149045ac0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089549
StatusPUBLIC

Content hashes

Canonical texta4c12b096fb132b48bfda55e0f17781dbc7eff17a01d6dfe83f7ddaa1b63f2e3
Markdown0f1ac0a9c0967593dbbea50628f12a4d7e7db19f635f300522d92d971073b715
PDF
Publication page5f2c3a0aa26cf8440446dd2199c6a7452764f2fc80fa1464c2525c1a3d73a0c1
Manifestbef3f6a072cc1b89fc808a24dfc0afe3169601fe727b047ce4d1a1f60e3eb7cb

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
SignatureoAlEPgI1FM4WXDS4DDoo+z47wyonmqj2mLCEzhBl5THiYqkTAkUlS8mBrUHIiecNM8t+3D4BSwzJrlBMMHVcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:31.086652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089549
observed 5f2c3a0aa26cf8440446dd2199c6a745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.068662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089549/manifest.json
observed bef3f6a072cc1b89fc808a24dfc0afe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.051896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089549/publication.md
observed 0f1ac0a9c0967593dbbea50628f12a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.032822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089549/publication.txt
observed a4c12b096fb132b48bfda55e0f17781d...
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.