OpenTechnical

OT-2026-000101697

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pulsed 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-2026-000101697) never changes.

Identity and time

Publication numberOT-2026-000101697 · never reused
Internal UUID01a0aea4-0e16-798a-9431-c2d00f088881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101697
StatusPUBLIC

Content hashes

Canonical text5db2d487e93ebab4466ce96d939c778f1ff0e1de9c2c402d881f24cbf96649c1
Markdownee1ae0ef5e0e6b5bc5d0c5a999607b3d52d5e79094ee4125ae810cee72c39393
PDF
Publication paged39d886188c31b90109a82942db4e62f8d26258eedaf31e6f507b4a05d5cafed
Manifest145819b9fb2e4ffe85cbdaafb214a3b6b4a62903e9f3a61d70496b6f28c71419

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
Signature0UfvU996xwZUDFFVK5+j4HPePpktiak8Ocwy5KmjKFx8IxH1wU5TD74Pj+N/4bIOBtB3QIePRH9LwDmucs94Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:43.261420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101697
observed d39d886188c31b90109a82942db4e62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.244191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101697/manifest.json
observed 145819b9fb2e4ffe85cbdaafb214a3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.223929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101697/publication.md
observed ee1ae0ef5e0e6b5bc5d0c5a999607b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.205957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101697/publication.txt
observed 5db2d487e93ebab4466ce96d939c778f...
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.