OpenTechnical

OT-2026-000009286

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, vented 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-2026-000009286) never changes.

Identity and time

Publication numberOT-2026-000009286 · never reused
Internal UUID01a0ae6b-31ba-7372-810d-43cdbfe5a25d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009286
StatusPUBLIC

Content hashes

Canonical text2d53b59863692c4b6ffbc0ea5cb289786b5fa981b79c92c5a99b28e7aa645659
Markdownb525899ede0f0162e900c559f2b2148502862c81ffccccbd24463461bcad9a1d
PDF
Publication page9fe624a3208a274d81a7898eb5a3f84071d7b7cc6fbd1cbdf2ab2feffa415d22
Manifest886483bcacd6127fddeaca6f1d9be7bcd82bf6248ed81eb9e6867440b4ee92ff

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
Signature3P3OXKCxsnFtRji5UUi61vHEAWZ/eWe/88Tlz1e9NXM1fLMd5xUsl1amI3p2SSP+XmuKGV+v3H2aeKcjvsL7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:03.247945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009286
observed 9fe624a3208a274d81a7898eb5a3f840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.229328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009286/manifest.json
observed 886483bcacd6127fddeaca6f1d9be7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.209620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009286/publication.md
observed b525899ede0f0162e900c559f2b21485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.189335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009286/publication.txt
observed 2d53b59863692c4b6ffbc0ea5cb28978...
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.