OpenTechnical

OT-2026-000038945

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000038945) never changes.

Identity and time

Publication numberOT-2026-000038945 · never reused
Internal UUID01a0ae78-76a0-72d3-a420-fa7b753f15f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038945
StatusPUBLIC

Content hashes

Canonical text00ae7c42b7077f831c9d9666abad4ccc606a5749b24b46f17c7cc5d3bf24ac32
Markdown208aeaaf1caad37ad8b983b165599604c379732b814cbbd638588eb1d9fa984a
PDF
Publication pagec0a38089ef1591e44e13cb46829912782a00f6b66c89e5b6f0c0731808c38422
Manifestf7337cfa6fc7cc504a4382035e4f1bdb400dc9fac48980c0e34ad413385d17f6

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
SignatureyOlZULPI28+8eDn1S1biE9l/LkmZ/Fjsn5hOSHulYdSu/iHtu/EecUZ6aHbr8LwwAReZC2Iu3sKKMugCZyjJDw==
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

2026-09-17T11:22:12.925884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038945
observed c0a38089ef1591e44e13cb4682991278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.907942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038945/manifest.json
observed f7337cfa6fc7cc504a4382035e4f1bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.891382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038945/publication.md
observed 208aeaaf1caad37ad8b983b165599604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.875034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038945/publication.txt
observed 00ae7c42b7077f831c9d9666abad4ccc...
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.