OpenTechnical

OT-2026-000016062

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000016062) never changes.

Identity and time

Publication numberOT-2026-000016062 · never reused
Internal UUID01a0ae6e-0c4e-7bf9-95c6-0fe54f5b485b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016062
StatusPUBLIC

Content hashes

Canonical textbcdf7461a8c17a6d37df4d2ab30c2a3b51a700a5c0e64d048f72e90ab462652b
Markdown6dd12c30df7fd8d881016d558d222c54721f6a8f2259ed635c229cf088683cc6
PDF
Publication pageac3b8e727932df7cef003fb05494dd6c9843762d3cf19ba9c8e8b4946ad74f02
Manifest15f9335d463e65c45077e79d8a956ec29f2d756a2e7d90ec695897f000c4c600

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
SignatureSIwJ9jblGq4F1DKdk1F4mIMm/19OvX3j57KeO5/GIcVKqAA9sd8nbFAkkRTtGUqLlRlIBdLI17SkaOspz/25BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:37.406783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016062
observed ac3b8e727932df7cef003fb05494dd6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.389777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016062/manifest.json
observed 15f9335d463e65c45077e79d8a956ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.370739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016062/publication.md
observed 6dd12c30df7fd8d881016d558d222c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.338336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016062/publication.txt
observed bcdf7461a8c17a6d37df4d2ab30c2a3b...
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.