OpenTechnical

OT-2026-000044917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000044917) never changes.

Identity and time

Publication numberOT-2026-000044917 · never reused
Internal UUID01a0ae7c-911c-7a07-adbe-c4a80fd72c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044917
StatusPUBLIC

Content hashes

Canonical text44fae945fdb841578ce8f352f1d9d1f25a70b51fb93c71b81119943d7b6cbed2
Markdown187ec8c086efb3be879cb8a02528607a30d22dd2ac6c77323acd51beca5f42dd
PDF
Publication page97b640e3a4c30c4c9ba109d920147fd009029aa3e94cee76c495a46f85360d7f
Manifestbd5cd2e407aab024050f680f895fccc00061b2403513fa42fa24b4af1a5dd13c

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
SignatureEIE4oQDpPbn88Y9k9iH+lfI9ODdXNlEbm2Xofe4x9L6zRyYBEdbx1PjebQE8sAqVC6skIIu7EAINNSsH0T8IAw==
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

2026-09-17T11:11:35.296986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044917
observed 97b640e3a4c30c4c9ba109d920147fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.279978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044917/manifest.json
observed bd5cd2e407aab024050f680f895fccc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.261313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044917/publication.md
observed 187ec8c086efb3be879cb8a02528607a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.242201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044917/publication.txt
observed 44fae945fdb841578ce8f352f1d9d1f2...
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.