OpenTechnical

OT-2026-000027339

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pulsed blow-off before 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-2026-000027339) never changes.

Identity and time

Publication numberOT-2026-000027339 · never reused
Internal UUID01a0ae72-6997-71d0-9af4-ecc499a98949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027339
StatusPUBLIC

Content hashes

Canonical text270e3b30dddf3ecf7c7da6534d46eb41bcc20cdc4e9f6ff6d147104e6a17283a
Markdownea81ee4dc1a2e1aea0aaabe0f3733e1065e5d6dc5e7afe5ab633d2cc9a4a0bf2
PDF
Publication page091b0b0f1628886ea307fe5ed7dde0dc9f751ff818e914e4ce688180fbad6fea
Manifest71c1155b6f38438ed5b4f0ceb4d222b4a14e9a2afdd7c219fed75d5b2af238d8

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
SignaturepY7rmyRxgsXqAgaF2gyFtrKeo/2S5HVa83i7VBPDGlzkk2WjvWwAzW4c0TWqccrsGVhkcJwYHwxdcnw7ZzvTDw==
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

2026-09-17T11:42:44.536148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027339
observed 091b0b0f1628886ea307fe5ed7dde0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.517163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027339/manifest.json
observed 71c1155b6f38438ed5b4f0ceb4d222b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.498080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027339/publication.md
observed ea81ee4dc1a2e1aea0aaabe0f3733e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.478961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027339/publication.txt
observed 270e3b30dddf3ecf7c7da6534d46eb41...
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.