OpenTechnical

OT-2026-000056351

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000056351) never changes.

Identity and time

Publication numberOT-2026-000056351 · never reused
Internal UUID01a0ae87-4bd2-7695-848d-40890f7ea9c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056351
StatusPUBLIC

Content hashes

Canonical text04fd6a66d058fef51549fdc6685cf1fc8491237b8b5f0f23f7c240a6572c34c8
Markdown32990a9065e7de93e7438b03ae6a552c72d69c81780affe14e889fbdceeea5dc
PDF
Publication pagead79f3d4aaf0a39969ecff600aaf547180ff3c742ba3a21bf7a83c9813a6e99e
Manifesta12d58ed79c4e22b3786ed2c2c71bb126e7e45de529a842b64621d841772f223

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
Signaturenql3YgcXUZ6TkUzRkm85YXzv6oOKH8t0Pzb2KgCtGAx0lEMUudxkT8HamettfT9tBauVo9W2+58nyVK+lrvwCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:51.755187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056351
observed ad79f3d4aaf0a39969ecff600aaf5471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.737962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056351/manifest.json
observed a12d58ed79c4e22b3786ed2c2c71bb12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.720235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056351/publication.md
observed 32990a9065e7de93e7438b03ae6a552c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.700743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056351/publication.txt
observed 04fd6a66d058fef51549fdc6685cf1fc...
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.