OpenTechnical

OT-2026-000089393

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000089393) never changes.

Identity and time

Publication numberOT-2026-000089393 · never reused
Internal UUID01a0ae9b-db01-7a95-9951-4cb0d54f8783 · 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-2026-000089393
StatusPUBLIC

Content hashes

Canonical text4aaf1800ba6e6af7d91f7691251a2c22c3468bde639bcfd603b2f98334426adb
Markdowncb36b701835b29dafc9507a82e2b7cde7b2ebc445432743f813e7af8ed65e8db
PDF
Publication pagec71b960640874a39369b8e7de15be4b89125f1c8123650126450b1cb122c019a
Manifest4c04b5073ad1d6c21aeb78ec6fb2b331aa208408f3ce504bbddcfe45235fc8f0

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
Signatureoej0+UqJegOHRgR7Yf8xvUcZmxof6zFubMf45rAYVJhfOZNXg3YEEHRVd/n+DgxtQ/AXJLj6G9V1mkQIlJDRBw==
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

2026-09-17T09:47:31.911175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089393
observed c71b960640874a39369b8e7de15be4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.894505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089393/manifest.json
observed 4c04b5073ad1d6c21aeb78ec6fb2b331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.878539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089393/publication.md
observed cb36b701835b29dafc9507a82e2b7cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.861272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089393/publication.txt
observed 4aaf1800ba6e6af7d91f7691251a2c22...
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.