OpenTechnical

OT-2026-000039459

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000039459) never changes.

Identity and time

Publication numberOT-2026-000039459 · never reused
Internal UUID01a0ae78-9675-7cda-9597-058a6825999a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039459
StatusPUBLIC

Content hashes

Canonical textb53e9afb22bc82cd594c56add312bc299298ed724aa013ee42a46c062c927dde
Markdown44a25a0f2f78c376c234965e58f7a6ccd7768bcc1cce7a750280a15aed36e37c
PDF
Publication pageeca69e56d0d60a6160d369dc732c6683068eedc036e8c18493129f16cc558456
Manifest3b0e152dbe7a1c57393c58339ec051f9d4dd4aa1ef751a29d6ecd950d707d04c

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
SignatureMBAEJ28ucYebtKGnAGBjhjDSVXlsb75kr5LYQ01uFwqY4iQIqM1XSE853rDI8ZxMS2UakiCFmCfsRJNcwk7YBA==
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

2026-09-17T11:21:04.890984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039459
observed eca69e56d0d60a6160d369dc732c6683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.874269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039459/manifest.json
observed 3b0e152dbe7a1c57393c58339ec051f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.856878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039459/publication.md
observed 44a25a0f2f78c376c234965e58f7a6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.839065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039459/publication.txt
observed b53e9afb22bc82cd594c56add312bc29...
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.