OpenTechnical

OT-2026-000089029

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line 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-2026-000089029) never changes.

Identity and time

Publication numberOT-2026-000089029 · never reused
Internal UUID01a0ae9b-8f12-7e1a-8b03-cd54ebacc1ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089029
StatusPUBLIC

Content hashes

Canonical textd736277fcbbb02200933f2d7b0772e207b8a27d83a334a83c2e809e17f4cf717
Markdown71f1bf36d5ee57055c7ef0b1d12a4772278f01439d6b77562c22722cc243a4c4
PDF
Publication page7cdd0041bddd22a346fee2410152dff205ed9cc861a047bbd407a38a2599700c
Manifestea54bee2e47f95c2daae45e506db9db82225f06ed508b6f7b3e317a05375cd8c

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
Signaturek4gVvOP6pmgRIBTPORElkVxHCtPGLYw7dFoMVwJnum+Ps06G5paKhlht7731u3JtDo74UeYN4j+5NUg0RtF1Dg==
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

2026-09-17T09:48:32.290893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089029
observed 7cdd0041bddd22a346fee2410152dff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.273392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089029/manifest.json
observed ea54bee2e47f95c2daae45e506db9db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.255617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089029/publication.md
observed 71f1bf36d5ee57055c7ef0b1d12a4772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.237997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089029/publication.txt
observed d736277fcbbb02200933f2d7b0772e20...
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.