OpenTechnical

OT-2026-000025059

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000025059) never changes.

Identity and time

Publication numberOT-2026-000025059 · never reused
Internal UUID01a0ae71-2729-79c4-a5cd-36114d32b39c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025059
StatusPUBLIC

Content hashes

Canonical text2cf7ef84d63e0c1a20f277c83a05927b1bb36cceb8c66d94dc9e9a5e2eecfeb0
Markdown1e2cf5cc3c8a21d17c0f1e8d1f6a871db81672b674253e9bd94f5880b313f460
PDF
Publication page57177dfa24e517f701e4b393b87063e19107ad626170de917fce95570cd6147f
Manifest03eaec997bc50fdb90a23f7e361f5c0d13eaf56ee084846ba2ae12529d06ce1b

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
SignatureT2euD3fjy05Kv9mFmCYtlMpS4Yh4y4rIs6aIBEun0L3P7GhdB9PMJaieUkqviT/flef3bH7gti5Yj1VvrGIXAQ==
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

2026-09-17T11:48:28.130879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025059
observed 57177dfa24e517f701e4b393b87063e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.110659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025059/manifest.json
observed 03eaec997bc50fdb90a23f7e361f5c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.092386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025059/publication.md
observed 1e2cf5cc3c8a21d17c0f1e8d1f6a871d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.075165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025059/publication.txt
observed 2cf7ef84d63e0c1a20f277c83a05927b...
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.