OpenTechnical

OT-2026-000036461

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000036461) never changes.

Identity and time

Publication numberOT-2026-000036461 · never reused
Internal UUID01a0ae77-01d1-7e82-8bd1-6bd4b970a7b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036461
StatusPUBLIC

Content hashes

Canonical text667e8b728ea67b92888879763eab774404bfcca62c8ccb6a63307d475f9b2aa0
Markdown023e330c9a2584998583ecadad0e86e3fa0571ae17ec48fc1adeb6cfe99094e1
PDF
Publication page89915b2d0ea9ba30c9405e68c2aa219c3327f7c9dc37aff5a744608648e98b2f
Manifestfae0afcc33fad5a5767379d811a86faa34fc4c41b753fc62dc5b5fda5af317b9

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
SignatureLlOtZuD4Bz9JbN6zdo7ut/JEfJycD6VELyRbjeUTHQe/XYBKDz145aAzvWXoT2vVpZ8ns9Tcw3ct9MCm8NO+Bw==
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

2026-09-17T11:26:51.755962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036461
observed 89915b2d0ea9ba30c9405e68c2aa219c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.739794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036461/manifest.json
observed fae0afcc33fad5a5767379d811a86faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.723568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036461/publication.md
observed 023e330c9a2584998583ecadad0e86e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.708113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036461/publication.txt
observed 667e8b728ea67b92888879763eab7744...
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.