OpenTechnical

OT-2026-000037021

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000037021) never changes.

Identity and time

Publication numberOT-2026-000037021 · never reused
Internal UUID01a0ae77-7740-7c11-b627-b246e0d808a8 · 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-2026-000037021
StatusPUBLIC

Content hashes

Canonical textd9c9bfaba070806371ac1763d4afb7f9e9730ced71ea9711bc07279bef84dd68
Markdown2fa974844160e48493d5d2ba70817dd16fadd369412116d48ee57091fb3421de
PDF
Publication page06d82cccdc1a3f17cc2bd7a3f92bc9f9ec597b9496b23071ed57ad9c35d7c145
Manifest53651b23aefc71d8046fd809160ce0e29d6cb7d40d1a68f0a26d15316570c4dd

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
Signature7lCQx+LsCOWPjxJ/x4YmnAtN7vLTpexYC5o9hOmj0D8GIdLB+DMGHDFN3TaSCYETcuc0HkSx+hmol8kWwlZcAA==
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

2026-09-17T11:24:41.756667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037021
observed 06d82cccdc1a3f17cc2bd7a3f92bc9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:41.740293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037021/manifest.json
observed 53651b23aefc71d8046fd809160ce0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:41.723380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037021/publication.md
observed 2fa974844160e48493d5d2ba70817dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:41.705497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037021/publication.txt
observed d9c9bfaba070806371ac1763d4afb7f9...
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.