OpenTechnical

OT-2026-000009427

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000009427) never changes.

Identity and time

Publication numberOT-2026-000009427 · never reused
Internal UUID01a0ae6b-7562-72c0-b39c-787e516f8e2a · 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-2026-000009427
StatusPUBLIC

Content hashes

Canonical text9b81b6dfd850826ab89661c1f1523af2eb76de22d2ca3d1c2c84aa4d0c492039
Markdowneb68f6d1e2d77623d87d103a2bccdd11b1395d4a921b4c13262a7a52b0599d20
PDF
Publication pagecfdea67838c921f1919462f7cc5416a0b79a83f3efd5c4dbf99a8fe0d8a70007
Manifestc49fdfa695cf188c1e51041d4ab4afdcdaa0d3840ca73293b9913519d2e4f1ca

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
SignatureRH/Erd2O3V9AwpxmyhsgVsGHGyg7z/uiGPh2L9THKg0fA76y/MtQ0ROoYXVelBZIxbMRs2+3TkgWMmvStB7TBQ==
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

2026-09-17T12:16:42.943756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009427
observed cfdea67838c921f1919462f7cc5416a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.924030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009427/manifest.json
observed c49fdfa695cf188c1e51041d4ab4afdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.905640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009427/publication.md
observed eb68f6d1e2d77623d87d103a2bccdd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.846900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009427/publication.txt
observed 9b81b6dfd850826ab89661c1f1523af2...
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.