OpenTechnical

OT-2026-000076613

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000076613) never changes.

Identity and time

Publication numberOT-2026-000076613 · never reused
Internal UUID01a0ae94-b06e-761f-bad4-c0e2b72d20e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076613
StatusPUBLIC

Content hashes

Canonical textf00dcc1864dec9e86127fdcff7cc412d7c3e252abb1f9378fc44962bf7b33ca3
Markdown0189c59901d7ed2894863168bd8e674ea552b3d2d792e835b164b38ff652b60d
PDF
Publication page7de27cca65eef3cfae4393b20e10ce3b62b0bc935ce92e71c59e1b4fcfb55e29
Manifesteb920e0b0954858bf47fe2e6a184425fb2d9716ce633f8b6a24a8f965fa34bf0

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
Signature6fKOSwdKw8eX1ukxFdQVZZwHpQzK8liRBYbwNasu+K1dUfBP8FsG12SL13BMJsf5oqu4B1tOWhgINmcRrFdnAw==
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

2026-09-17T10:09:20.366236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076613
observed 7de27cca65eef3cfae4393b20e10ce3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.345585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076613/manifest.json
observed eb920e0b0954858bf47fe2e6a184425f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.327797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076613/publication.md
observed 0189c59901d7ed2894863168bd8e674e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.308949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076613/publication.txt
observed f00dcc1864dec9e86127fdcff7cc412d...
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.