OpenTechnical

OT-2026-000035981

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000035981) never changes.

Identity and time

Publication numberOT-2026-000035981 · never reused
Internal UUID01a0ae77-01cc-7ff6-8257-b01a465dd094 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035981
StatusPUBLIC

Content hashes

Canonical text06d957214ae7e394f3ea69d1263d669ea9acc4f20a47c7244936f95c42ec927b
Markdowncdbf58a9a1f03a43be5cd93492fa0dc98c00c11a4072e31570fa28fbcf7beb24
PDF
Publication paged7e6803054c71f85e4c386405bedb16abfa04963d72688e04a593469b6c50292
Manifestff94d462c1b8cf1be19dc0ed7e94855a4c366b3ca6081d6655dfe433f7a9a575

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
SignatureWppOCbamjSezi6K4m8y9fliWANcf1rAKAG0h4+OZLnNYGBtknE5yXXUyhD9p1jzP/tC/1eR5rRdroXJNJz10CQ==
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

2026-09-17T11:26:07.795232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035981
observed d7e6803054c71f85e4c386405bedb16a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:07.714905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035981/manifest.json
observed ff94d462c1b8cf1be19dc0ed7e94855a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:07.697875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035981/publication.md
observed cdbf58a9a1f03a43be5cd93492fa0dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:07.558772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035981/publication.txt
observed 06d957214ae7e394f3ea69d1263d669e...
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.