OpenTechnical

OT-2026-000081620

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000081620) never changes.

Identity and time

Publication numberOT-2026-000081620 · never reused
Internal UUID01a0ae97-0f72-7eb7-af90-107523355381 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081620
StatusPUBLIC

Content hashes

Canonical texta25e4e1f68c65868f5e21c01568019e52ce3e3f6b191a8ea5c7bb1ef1bcef148
Markdown90f782fb318dfa38ae56a46fa51233a31db18a4aaf44cdecabdbd60063733cdd
PDF
Publication page27efd3b78b71b6aae6272d9276824e4fc3fd0ec46c60af5a108a533fe89b09ce
Manifest73c01d88a165debc43964b057509fcffe5bb4a54d89158f37ab227f0e0cee21e

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
Signaturea0K4nRb5Jf0bRfJSsuxR13HmpZZbBqATHEL0ZJI24erFzpNSgdakdp6XyzHVrLj4msFp4yZ+0FvPh0ZjQK+QDw==
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

2026-09-17T09:59:39.971170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081620
observed 27efd3b78b71b6aae6272d9276824e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.946548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081620/manifest.json
observed 73c01d88a165debc43964b057509fcff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.782671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081620/publication.md
observed 90f782fb318dfa38ae56a46fa51233a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.760009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081620/publication.txt
observed a25e4e1f68c65868f5e21c01568019e5...
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.