OpenTechnical

OT-2026-000068813

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068813) never changes.

Identity and time

Publication numberOT-2026-000068813 · never reused
Internal UUID01a0ae90-6dcb-71bb-9b76-365c79118254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068813
StatusPUBLIC

Content hashes

Canonical textc6f115008489abdc98661e78a48b8bc943799a7aa4232ca459abd50f5d1425f9
Markdown2e78759f40abffa0a840e6869f2ed915e7454d4b2e5d9ea191ea7a0e19f70497
PDF
Publication page6f28c86146f204f7dee9a339c4a56880239b5aa12afcc88d772c70b2f491dc15
Manifestb3e302b2c236b52a2518b51604256197b951b66252619f80c337c83306dece74

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
SignaturejwaqSR1WLiV4bp9ORHfwosyWqcas1OI+4Y++xaD3gVdRO7hLc4ulHgwGGQabwD4tLMbKRdN0DYUDc5E/NJpsAA==
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

2026-09-17T10:28:36.904852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068813
observed 6f28c86146f204f7dee9a339c4a56880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.885773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068813/manifest.json
observed b3e302b2c236b52a2518b51604256197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.868905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068813/publication.md
observed 2e78759f40abffa0a840e6869f2ed915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.852659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068813/publication.txt
observed c6f115008489abdc98661e78a48b8bc9...
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.