OpenTechnical

OT-2026-000044397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044397) never changes.

Identity and time

Publication numberOT-2026-000044397 · never reused
Internal UUID01a0ae7c-39d7-7a65-85a7-5c1a34975b78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044397
StatusPUBLIC

Content hashes

Canonical text83e3eec5a3c2fd0e4bf1e8d31501bfb3c1d8185fcee40abf02fe39df120e484a
Markdownee773f710d9bf3637c1eb2a8c7bd650b9e4d493ca5bd3fd0cf8d060625b4e90c
PDF
Publication page2773b5f57a6afba9493c50040ee9bcf0a38729df1356e6fc9530b121ea0a4b6f
Manifestf305cccac9c8c5b5c028b09b20fd61891d316d1a9ac4ddf3698ac61fefdfc280

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
SignatureSqz+uToCFxkU6m+PH/oC+qFIaj9aZzC+PcVOCu+PlYOckvz8krdzttC/u35PWUUL/1tfmz+3wOzgqrwcq5/uDA==
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

2026-09-17T08:30:38.494162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044397
observed 2773b5f57a6afba9493c50040ee9bcf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:38.475516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044397/manifest.json
observed f305cccac9c8c5b5c028b09b20fd6189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:38.071901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044397/publication.md
observed ee773f710d9bf3637c1eb2a8c7bd650b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:38.051728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044397/publication.txt
observed 83e3eec5a3c2fd0e4bf1e8d31501bfb3...
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.