OpenTechnical

OT-2026-000012437

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000012437) never changes.

Identity and time

Publication numberOT-2026-000012437 · never reused
Internal UUID01a0ae6d-39f6-79ba-b56d-f53d1c00301e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012437
StatusPUBLIC

Content hashes

Canonical text67fee95e38a814f4a7a6d381f54dd2018d20040890c7d9b605abd539650839c2
Markdown723e91a709a6cb1100205cdd92985a4a0bc5df342551a4d03ed253b5645127cc
PDF
Publication page5ba331503a88372384573e062cd483105235d1dbf55e228ec7eb9f1f9e83bd53
Manifest2912aa3f0d572e62a18905fc8d93f92a344d9a85748463f7eee7938f00083e83

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
SignaturecqlBZQQxrw3sYW11x+6C/bHaJDLRP2WJZLvnczXoHxFIT4JRj0CAmLRdpHPE+JryUiCCpg4QEOwRvNOYuMK5BQ==
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

2026-09-17T12:11:56.284197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012437
observed 5ba331503a88372384573e062cd48310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.265647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012437/manifest.json
observed 2912aa3f0d572e62a18905fc8d93f92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.246288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012437/publication.md
observed 723e91a709a6cb1100205cdd92985a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.226881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012437/publication.txt
observed 67fee95e38a814f4a7a6d381f54dd201...
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.