OpenTechnical

OT-2026-000089331

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089331) never changes.

Identity and time

Publication numberOT-2026-000089331 · never reused
Internal UUID01a0ae9b-db01-72ec-a799-66038bec0cc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089331
StatusPUBLIC

Content hashes

Canonical text5a3d6db5bbace4f6e4580bc178835ea5dbb67b4fff5afea439688aafa9f63b1f
Markdown0a9d7ab38a1a144267697bb2268801683ed75df870717d78bc61d84926172205
PDF
Publication page7f1d2c95d099a5c6a0903d7b620f6eebd1a210b1c95a451d7ea73b33942f0162
Manifest495ddbb438fd54d8a67853dcc3fddc9fba75545d9c6b84f425820f3a145f7bc3

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
Signaturez5IxOKqqvOwmb7U4HJfnIpAwR0gN7ETEKPykRVH1LZmdTwkqaBu6MLM5pAkPP9cHDs5ExIJJ8jJDJ9BUM4fAAg==
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

2026-09-17T09:47:23.016715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089331
observed 7f1d2c95d099a5c6a0903d7b620f6eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.997365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089331/manifest.json
observed 495ddbb438fd54d8a67853dcc3fddc9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.978142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089331/publication.md
observed 0a9d7ab38a1a144267697bb226880168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.954470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089331/publication.txt
observed 5a3d6db5bbace4f6e4580bc178835ea5...
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.