OpenTechnical

OT-2026-000009332

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, sustained 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-2026-000009332) never changes.

Identity and time

Publication numberOT-2026-000009332 · never reused
Internal UUID01a0ae6b-7561-7dee-8f5c-ad1bfe4ca7f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009332
StatusPUBLIC

Content hashes

Canonical text66a08dc1945d709727a766e0304d16ed9098be63c905f37936690b1c65d4f526
Markdownb02e3ceecc22e602745d9d75b9d1a5ce117fc34cf922d41ecfcb483448a0332e
PDF
Publication pagef477e59288703c2cbbf4b734c2ed748e51a57597747589c1ad75d54faaa34860
Manifest2721d7607f3fd05a0290dfd921da35b0da5ced60be127bf4b532df4231c9001f

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
Signaturefp45N6IziFh++Sy+UKKvBBo68/ck6iWy3UTj3Zdrtn0QxRogsNF5XZyHYramlWJ2heDotjkNaIHO/DIBb0A9Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:35.355376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009332
observed f477e59288703c2cbbf4b734c2ed748e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:35.337204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009332/manifest.json
observed 2721d7607f3fd05a0290dfd921da35b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:35.317791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009332/publication.md
observed b02e3ceecc22e602745d9d75b9d1a5ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:35.298787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009332/publication.txt
observed 66a08dc1945d709727a766e0304d16ed...
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.