OpenTechnical

OT-2026-000103697

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off 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-2026-000103697) never changes.

Identity and time

Publication numberOT-2026-000103697 · never reused
Internal UUID01a0aea4-e462-7fd4-98d0-cb584322cdec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103697
StatusPUBLIC

Content hashes

Canonical text197801816c8acf038196654bdc6c385cb767b74f8f03ffb9acba273d54bf51e9
Markdownc31223faa0437323a699f8282b85a8546d4a589f925e7dbafe40e2a73c72cf54
PDF
Publication page5fe8197890dc3f733c98fdd995e684522513b336a326ac002b668a0b9bcec18e
Manifest9c115c5c79e448a63562711932689ba8b51a82bccc2273d5242b3c45ffe61ddd

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
Signature7zLg5PRPqZ9im1FWZliJbyZ0xQsYsy9HDI/V35qL/lYoQmNbPV9mIi0psCtDHz5E4lznhRKUF6j7GIFsAC93DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:30.195852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103697
observed 5fe8197890dc3f733c98fdd995e68452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.179055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103697/manifest.json
observed 9c115c5c79e448a63562711932689ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.163898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103697/publication.md
observed c31223faa0437323a699f8282b85a854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.147070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103697/publication.txt
observed 197801816c8acf038196654bdc6c385c...
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.