OpenTechnical

OT-2026-000039897

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000039897) never changes.

Identity and time

Publication numberOT-2026-000039897 · never reused
Internal UUID01a0ae78-d8d6-7ebe-97f3-24af14186436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039897
StatusPUBLIC

Content hashes

Canonical text4f7c081832b655708f26aa588b2c31780a95a225349ce7394d6772bb9fe0631d
Markdown95fbb27b5fb2521263696d21d8be5042746cfc8381c7b5c552bbc43f43ab6434
PDF
Publication pageaa6e5be2d4b3eb7bc4c4afa5ab761730fe9457e64a6ccfce6fe5c3fbd4e6e6fb
Manifest2e2f419497872529f80ab4fc2bc166e82a9457d85816040bd7a7095257dde232

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
SignatureFt96ChmpVjKRxaMkUv0NwIUvCIRdRdgqwxtWV2ZfVnEwf9lnjKLmvZcJaXBG8ymud5B0IBO0ZBXGA1BBtSItCQ==
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

2026-09-17T11:20:11.204490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039897
observed aa6e5be2d4b3eb7bc4c4afa5ab761730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.185895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039897/manifest.json
observed 2e2f419497872529f80ab4fc2bc166e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.164109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039897/publication.md
observed 95fbb27b5fb2521263696d21d8be5042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.145089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039897/publication.txt
observed 4f7c081832b655708f26aa588b2c3178...
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.