OpenTechnical

OT-2026-000009678

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000009678) never changes.

Identity and time

Publication numberOT-2026-000009678 · never reused
Internal UUID01a0ae6b-7564-7427-ad62-09ed014ddf9e · 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-2026-000009678
StatusPUBLIC

Content hashes

Canonical text604fe3dd28533dba90c3dccde5a6ae68b0cd61a3f757e96faf41073ad7e9aa44
Markdownd25af216988a7435bd4fe30200a07562f5f76396b868b5755973219f82adfaec
PDF
Publication page33aade025ca598e5c443561a8a69d220d0f30e834aa601d971b7904a07933d83
Manifest71c682a11c0d9a8d7a56334a1f1e467a0dd55ad644bf210b5a6cb8776194e9c7

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
Signaturen/fCCdQ/H6H9dYgrueKxQAkgqZqg1MJjlsYPDahRU/zFda+LjU5yd1y6r5HyqK9ClgcPkLEgXIBP7E3CLxgyDQ==
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

2026-09-17T12:17:09.396184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009678
observed 33aade025ca598e5c443561a8a69d220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.374161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009678/manifest.json
observed 71c682a11c0d9a8d7a56334a1f1e467a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.350901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009678/publication.md
observed d25af216988a7435bd4fe30200a07562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.329713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009678/publication.txt
observed 604fe3dd28533dba90c3dccde5a6ae68...
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.