OpenTechnical

OT-2026-000040788

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000040788) never changes.

Identity and time

Publication numberOT-2026-000040788 · never reused
Internal UUID01a0ae79-6d0f-79ae-afb2-0199f89994c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040788
StatusPUBLIC

Content hashes

Canonical text8473f7e5e56e2c470d044fc2603e1b7d3d4d8564dee329d842b86d7effd28518
Markdown74ef24728a66b9f84d0c2bc9af249315834f30cbf1c5afdfc3092968999b731e
PDF
Publication pagebfe0f2965a2b76503d237a7a0481c3c5e14f569e6c54ee3c4f1359ae9b9b54a9
Manifeste4175fafd7c7be9c6b8c91b5aa73a3fff075635ee8b94a4e2aae22ff83efa3eb

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
SignaturekOQPuZqruKCVfG1tMn67YkxXyisvFZtOF7rTpQYBGdoDCUxVIsmbngQL1HHN/FW5y90q2hCz3o9Mki0sQagGBg==
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

2026-09-17T11:20:05.575938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788
observed bfe0f2965a2b76503d237a7a0481c3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.558774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788/manifest.json
observed e4175fafd7c7be9c6b8c91b5aa73a3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.541921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788/publication.md
observed 74ef24728a66b9f84d0c2bc9af249315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.523908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788/publication.txt
observed 8473f7e5e56e2c470d044fc2603e1b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.422572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788
observed bfe0f2965a2b76503d237a7a0481c3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.404389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788/manifest.json
observed e4175fafd7c7be9c6b8c91b5aa73a3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.388032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788/publication.md
observed 74ef24728a66b9f84d0c2bc9af249315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.370459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040788/publication.txt
observed 8473f7e5e56e2c470d044fc2603e1b7d...
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.