OpenTechnical

OT-2026-000034259

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000034259) never changes.

Identity and time

Publication numberOT-2026-000034259 · never reused
Internal UUID01a0ae75-df0d-75b8-b473-c404712e05cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034259
StatusPUBLIC

Content hashes

Canonical text35c092c797c407dcb9193c31a8475865082567f0c552d15f5bc712d3ec1c1c66
Markdown1c670ad1b8bae5d3dbc3d6da24db4df888d314941935634cd88715b498cf749d
PDF
Publication pagefd5bf4d612a0b55f52ffc0ec6e82c6119c7110338e9140122c7afa4f8ede9397
Manifestad6225e790524e53501dd2f50ade2c84e9dfa5a2fef4d1540582b8c8cebc4f84

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
SignatureJs0iItDiizBdFVawFedbR2V9lhNxm6v0Myf6uBHDOZf/r9BvLGJ2dSOW7NIjx4V87AYeZm2bR3wn3paOqI4NDg==
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

2026-09-17T11:30:49.061392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034259
observed fd5bf4d612a0b55f52ffc0ec6e82c611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.044721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034259/manifest.json
observed ad6225e790524e53501dd2f50ade2c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.028244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034259/publication.md
observed 1c670ad1b8bae5d3dbc3d6da24db4df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.012363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034259/publication.txt
observed 35c092c797c407dcb9193c31a8475865...
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.