OpenTechnical

OT-2026-000045431

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, 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-2026-000045431) never changes.

Identity and time

Publication numberOT-2026-000045431 · never reused
Internal UUID01a0ae7c-f76c-7ee0-b35e-abbfe35ee7c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045431
StatusPUBLIC

Content hashes

Canonical text0e4846ee942a0939f71f66b0b0ce9cc6aa435f3d8641b52f851c087a2b691171
Markdownada0bd180a1c06ba3748b72dc3a5d8fe7cbd35787a969f02c94eb91eb8467505
PDF
Publication page3c1e7e6496a1c6bc918ecb53d6a63e55167815aecb3ce061d1b95a4d00872318
Manifest533c4ab4e887e9b94902f10365cd10e6275e8d77c3a52ab898daf900f4e1c3be

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
SignatureqJ4BR/rhfy5lyIIDvMVJ03v4+xk2Y9X1W/z1v6Cq64mK1/OQybfk90SSJgd52fQ/2+iDhxs1NONQnSev4IY5Cw==
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

2026-09-17T11:10:43.632249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045431
observed 3c1e7e6496a1c6bc918ecb53d6a63e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.614059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045431/manifest.json
observed 533c4ab4e887e9b94902f10365cd10e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.596555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045431/publication.md
observed ada0bd180a1c06ba3748b72dc3a5d8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.575325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045431/publication.txt
observed 0e4846ee942a0939f71f66b0b0ce9cc6...
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.