OpenTechnical

OT-2026-000013151

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013151) never changes.

Identity and time

Publication numberOT-2026-000013151 · never reused
Internal UUID01a0ae6d-6fc8-7e4f-a3fd-d5e5b4e96917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013151
StatusPUBLIC

Content hashes

Canonical textfd4f6f07438c3b3afe928f3f2080cc632f108c7bd0a0496b23138fa392d4718c
Markdownabf5637984ddab0723b3a3bd0d37f76567d8c07f5b395bf74c1bf2787e38cee6
PDF
Publication page6854d979e5a8af54dadf85ba9ac8238de7bae894586e23e5369292e965b759ec
Manifest7a833d1a982cc1649b09d072ec64d4e917584f97a88dd0dded9486952e4fcb1f

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
SignaturelS1EpfPBKcGfP+zF69NIf7lkhtsZ4gNfwu+rvvzWugqLz34ldEowY3Rlsrkxr6ftULE8J68vbg4q3hdjroGMBQ==
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

2026-09-17T12:09:31.087208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013151
observed 6854d979e5a8af54dadf85ba9ac8238d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.067174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013151/manifest.json
observed 7a833d1a982cc1649b09d072ec64d4e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.048600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013151/publication.md
observed abf5637984ddab0723b3a3bd0d37f765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.027960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013151/publication.txt
observed fd4f6f07438c3b3afe928f3f2080cc63...
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.