OpenTechnical

OT-2026-000056486

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000056486) never changes.

Identity and time

Publication numberOT-2026-000056486 · never reused
Internal UUID01a0ae87-7af4-75da-9ac0-318f9c70b39a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056486
StatusPUBLIC

Content hashes

Canonical text550042f2baea82c6d727ba2ba22f262a28c5dc318b919a1e33f047d71a29f0eb
Markdown334cab90ff81952e8ff395c3908c104cb69deeecdcc1c676d15e66b2f3a9a64d
PDF
Publication page2b5ba08ea243c0b0338a033fc23400f0c6c41a4a69907b61d80eacfa2c41fdfb
Manifesta18a9cf6ba3d237f18834fc4c3fb3dbd556ae9f289e94a9165dfdbe741ef8ac7

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
SignatureQawbwiwDpaDwpt583QYivIxvPHvCRKWmbI8iajl0Qj1hrWkn3VyVcNG71kBC8nGlNx9PQRjcEXxkpyDy1WoFCw==
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

2026-09-17T10:49:47.858575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056486
observed 2b5ba08ea243c0b0338a033fc23400f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.840049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056486/manifest.json
observed a18a9cf6ba3d237f18834fc4c3fb3dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.819980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056486/publication.md
observed 334cab90ff81952e8ff395c3908c104c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.800755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056486/publication.txt
observed 550042f2baea82c6d727ba2ba22f262a...
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.