OpenTechnical

OT-2026-000022299

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000022299) never changes.

Identity and time

Publication numberOT-2026-000022299 · never reused
Internal UUID01a0ae6f-f4fc-7b0e-a194-a335c4bdf837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022299
StatusPUBLIC

Content hashes

Canonical text3653ef126ea70638f2fba5bd99717de044269f8fc18e9325908e067df51c31a0
Markdown5247dfdd1222377cec838d04e144398913feab8273b56b1b4301eac18c8ae14f
PDF
Publication pagefa84816840121a64b38343ff5525161af9cc91f49dd2ed25f7701547074fdee0
Manifestdb03155fe8a819408168e02cf12bcd230c40bec2390e71964a3dd03e362b97fa

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
Signature969RCB/jRj1wnicPfhoXprUh1lvA809GKsIfM20Ws1MtXIlq9WsL7v2BVWtKba5Us6mmhfLWaUuN+ehFr7GKDg==
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

2026-09-18T00:41:03.476088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299
observed fa84816840121a64b38343ff5525161a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:02.918694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299/manifest.json
observed db03155fe8a819408168e02cf12bcd23...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:02.569231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299/publication.md
observed 5247dfdd1222377cec838d04e1443989...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:02.241089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299/publication.txt
observed 3653ef126ea70638f2fba5bd99717de0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.188967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299
observed fa84816840121a64b38343ff5525161a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.170549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299/manifest.json
observed db03155fe8a819408168e02cf12bcd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.152133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299/publication.md
observed 5247dfdd1222377cec838d04e1443989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.131978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022299/publication.txt
observed 3653ef126ea70638f2fba5bd99717de0...
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.