OpenTechnical

OT-2026-000035281

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000035281) never changes.

Identity and time

Publication numberOT-2026-000035281 · never reused
Internal UUID01a0ae76-6a1f-743d-9da7-a9bc4d0dae02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035281
StatusPUBLIC

Content hashes

Canonical text8171cce79795d107d2d0105c0b62ab5f65b551ff875591f85d8a228aadb30761
Markdown060c7e379969c1d2106072debab7834ff2e5c01e4c1834366d176ddff4c9885f
PDF
Publication pageefd449cbdc7882c93ae098cefbd9a1882058bdd8024022164e12036f6b6cfa41
Manifestdfa2c76cb344c24a7d0397ce193d1ea4e52df2d56a6ddc8f26c162645455acda

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
Signaturezh9EfSZq/2JcvCEKDwwrv2aEQoy1bGnFYqv2KM+sTTShJ1m7aW8STvSfwwI5q8HLPL/dbplrF9ak4OMOO4i9Aw==
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

2026-09-17T11:28:26.010959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035281
observed efd449cbdc7882c93ae098cefbd9a188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:25.995038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035281/manifest.json
observed dfa2c76cb344c24a7d0397ce193d1ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:25.977357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035281/publication.md
observed 060c7e379969c1d2106072debab7834f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:25.960686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035281/publication.txt
observed 8171cce79795d107d2d0105c0b62ab5f...
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.