OpenTechnical

OT-2026-000103655

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000103655) never changes.

Identity and time

Publication numberOT-2026-000103655 · never reused
Internal UUID01a0aea4-e462-70c9-b2cc-9af7d2511e73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103655
StatusPUBLIC

Content hashes

Canonical text2f3579189239c0c9edad919d06c79e48ec72b046ddf30af81c4d56d515ce0319
Markdown795e6ffa0cf82d98eab4232205ad6300d276ede0bb5f2bb3077afcafa6da4ff1
PDF
Publication page41832636303ded8aea3c66ec95d57c5340135dac26faaabd93410f4232df46aa
Manifestc3045ca579c716d57fd93f114e36fbef53203c785ca570af4b305b023e35ebf9

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
Signaturemm0p3UqHyx9IwBlGe1eiM9qxHJ8RtZFp/JletSSYpiSBq/OvXI8k3tPDQnntSHuqdcmuos4ztCYpxCowcXmhDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:27.300601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103655
observed 41832636303ded8aea3c66ec95d57c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.281430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103655/manifest.json
observed c3045ca579c716d57fd93f114e36fbef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.263030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103655/publication.md
observed 795e6ffa0cf82d98eab4232205ad6300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.232119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103655/publication.txt
observed 2f3579189239c0c9edad919d06c79e48...
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.