OpenTechnical

OT-2026-000071151

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000071151) never changes.

Identity and time

Publication numberOT-2026-000071151 · never reused
Internal UUID01a0ae91-e0eb-746d-9373-d82077b34d27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071151
StatusPUBLIC

Content hashes

Canonical textb7d0f7a35b2506f8da81bf384bbec6e6bf9be8012574316575a281e130d25c09
Markdown18c834d78dc34c4d5db0dddf0c96ec15039a24891ac0e050d3654647fea7d301
PDF
Publication page7fbe5047195d93d5ce4ef36c922a318fae47e2bdfc66259a1b7f5423d5d0a99a
Manifestcc56d83e2f3191c4380a871a20ce6bd5105b11748761f633fd59d97f3b7cf923

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
SignaturexP4/LlWpnzcWLeB18odlW+S34OJdrouHT4DBIU2J4pjQ3H9Tdy8tklQ7MSw7OjXPGKjdFKwrBB4J5x1jDzIVCg==
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

2026-09-17T10:24:39.390954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071151
observed 7fbe5047195d93d5ce4ef36c922a318f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.375318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071151/manifest.json
observed cc56d83e2f3191c4380a871a20ce6bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.360589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071151/publication.md
observed 18c834d78dc34c4d5db0dddf0c96ec15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.345583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071151/publication.txt
observed b7d0f7a35b2506f8da81bf384bbec6e6...
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.