OpenTechnical

OT-2026-000069859

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000069859) never changes.

Identity and time

Publication numberOT-2026-000069859 · never reused
Internal UUID01a0ae91-1860-7af7-9f7c-c7a8d0dd3878 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069859
StatusPUBLIC

Content hashes

Canonical text033188a010ef768949c9f9fd1fa859ab79cc6e987c78891205906b7e249ee4b8
Markdown469e39b4f53bbe611071d2a766f36b97df318e14157d76214f0e5feb6e98cadb
PDF
Publication page8466d696449b250616f50f647c81fd507523961cf27d5d922d7d9024eaace9cc
Manifest75a8af9a833439043744479d21f32c838f7b589cf004c00eab1d3f71d430abc5

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
Signature7RNTSpOFegsluh+gcCzEF5TG9+CWmK/4mIRh4mAYAyG6ej0vtXFO+mP009M9/3bPmXUf/Qi04kdmWrONDObbAw==
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

2026-09-17T10:26:41.372181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069859
observed 8466d696449b250616f50f647c81fd50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.355723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069859/manifest.json
observed 75a8af9a833439043744479d21f32c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.339753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069859/publication.md
observed 469e39b4f53bbe611071d2a766f36b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.323220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069859/publication.txt
observed 033188a010ef768949c9f9fd1fa859ab...
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.