OpenTechnical

OT-2026-000041207

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000041207) never changes.

Identity and time

Publication numberOT-2026-000041207 · never reused
Internal UUID01a0ae79-b143-74be-89ab-692ef657c554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041207
StatusPUBLIC

Content hashes

Canonical textf057c35ed2bf0f01ebcfff78ce49b9a94563abf9067b9a88271ad8d35096be08
Markdownca4f050f97bd21e8825d4fc9f7c67bd971fbf0c729c1ed55b89deeb410a19820
PDF
Publication pagee7e6dcd77b618e119f590ed01dc06e348280eae1d0c269ec3a0b3f8410d665ff
Manifestaf9b7fbe8bda25d496d787c6dca0b9cd7156213683f39cc4603154fe164f947e

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
SignatureF2CfPZppQ6B1y9cvmpJbuORZVxP/cZLuCKU4tWcOa63uI0e/dItBHeVI5REKXjh/xDAVn3uyQCB3/JQPU/1iAg==
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

2026-09-17T11:17:09.902805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041207
observed e7e6dcd77b618e119f590ed01dc06e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.887664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041207/manifest.json
observed af9b7fbe8bda25d496d787c6dca0b9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.870233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041207/publication.md
observed ca4f050f97bd21e8825d4fc9f7c67bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.852511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041207/publication.txt
observed f057c35ed2bf0f01ebcfff78ce49b9a9...
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.