OpenTechnical

OT-2026-000039607

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000039607) never changes.

Identity and time

Publication numberOT-2026-000039607 · never reused
Internal UUID01a0ae78-d8d4-7c23-922b-bdc1d40f3ab4 · 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-2026-000039607
StatusPUBLIC

Content hashes

Canonical text2d9da01b90252a182d066fbff6b0ffb6cab44b2ee0b6939a9d1c9f9b8514ee87
Markdownec398d8356be10003b9fc1780a05292f2f73dd983a37645647ee52833b20d763
PDF
Publication page4f7ecdc6aabee4cb961653993afb51987af123c590de1d91946658d31f1b2b0e
Manifeste725f0cae42eb9eebfa35589a879ec922b96e218ddae599d3874789d85cf63fe

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
Signature1Wtxr04t97RAH+6gQP3+5Qc2sLu1RtDYus3jS0ZlQLfP5rH4i4m/AJFqqYlOZVw/+XKTVLXeY8PaJIbFh1qTDA==
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

2026-09-17T11:19:46.244624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039607
observed 4f7ecdc6aabee4cb961653993afb5198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.225687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039607/manifest.json
observed e725f0cae42eb9eebfa35589a879ec92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.207024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039607/publication.md
observed ec398d8356be10003b9fc1780a05292f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.187690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039607/publication.txt
observed 2d9da01b90252a182d066fbff6b0ffb6...
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.