OpenTechnical

OT-2026-000037237

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000037237) never changes.

Identity and time

Publication numberOT-2026-000037237 · never reused
Internal UUID01a0ae77-7741-7c3b-8ae7-82650cebd14e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037237
StatusPUBLIC

Content hashes

Canonical textcc7118955d7df0e4d89110728549c50d5812df445b3b218a9ce7840db932dbed
Markdownbaf1bbc1e20f0ebb113e516f3fc2ed38d4eb1d60568660aeaa3c5d46330a3b69
PDF
Publication page03cca2fdbef3c718805ff6045b1e9f778d072e9bcb6739ca2cc3e5581fcf69ba
Manifest610ec7bf5ab3b6b651cfa9b27e4127d8b67b0717ea6199b3fc676d66f1c9cc8f

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
SignaturepsKsIU3warK3mkX+k2erxCCEhU9HmF3r9d1NzdxYy6B2K6tV99Ryftto7s8Ehzszx44y+FMQxRfuuSM6qjYPCw==
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

2026-09-17T11:25:08.212143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037237
observed 03cca2fdbef3c718805ff6045b1e9f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.195628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037237/manifest.json
observed 610ec7bf5ab3b6b651cfa9b27e4127d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.178987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037237/publication.md
observed baf1bbc1e20f0ebb113e516f3fc2ed38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.162411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037237/publication.txt
observed cc7118955d7df0e4d89110728549c50d...
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.