OpenTechnical

OT-2026-000038614

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000038614) never changes.

Identity and time

Publication numberOT-2026-000038614 · never reused
Internal UUID01a0ae78-2d54-7b9d-8053-33a733b17a0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038614
StatusPUBLIC

Content hashes

Canonical text41f4b405b7c8f225dabee5eec246bdc76e99c139ec36d8ddbe3b5e43098c1aa9
Markdowne01c306c2c400c360292e893c755f2ad073a7e7b8fdc42f732e266af1bdc0797
PDF
Publication page966d3a22f09c52bd14573d2cda51d131f32dd69806345c4cf34573870b6c279c
Manifest8aca59a6052a7fd1defd1770734b37335aed3562eddc1c3a05c3af67758cb6a2

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
SignatureDremvPLNPW6eW5p0B26Ny7VHSz4V7ZJgE3b0qeKMukVWZXJNfm22npZXs4DPktr1lsmceuiQNOUMcxsJZPVADA==
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

2026-09-17T11:22:54.529143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038614
observed 966d3a22f09c52bd14573d2cda51d131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.510531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038614/manifest.json
observed 8aca59a6052a7fd1defd1770734b3733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.494345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038614/publication.md
observed e01c306c2c400c360292e893c755f2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.477762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038614/publication.txt
observed 41f4b405b7c8f225dabee5eec246bdc7...
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.