OpenTechnical

OT-2026-000037071

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000037071) never changes.

Identity and time

Publication numberOT-2026-000037071 · never reused
Internal UUID01a0ae77-7740-768b-a315-b7a094833ae0 · 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-2026-000037071
StatusPUBLIC

Content hashes

Canonical textecddacd14b504d42b3b6ba137c46802801c64d403abb9d334ee80fb93e48050f
Markdownc476f160cb8a94b2b129f14ca0d515c438cff40fc1404b639c7664dcc6502a4d
PDF
Publication page71d6390c543155753aa13ef5e0de7cfcf0694cb30622938a429305e0a5ad24ce
Manifestb359e8a27cda236187796394858c0ef8f486df0cce014d9620f0b9cd4a7a9cef

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
Signature7zMHQlpv0XQ3L07NrwB6Sm18kS5vOH+SJHSRJzrVUvR0mgr0QQl4dVT5AyVVW1xnpPb/LPCmbul0Yb1xrLyCBA==
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

2026-09-17T11:24:55.999839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037071
observed 71d6390c543155753aa13ef5e0de7cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.984772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037071/manifest.json
observed b359e8a27cda236187796394858c0ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.967516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037071/publication.md
observed c476f160cb8a94b2b129f14ca0d515c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.948907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037071/publication.txt
observed ecddacd14b504d42b3b6ba137c468028...
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.