OpenTechnical

OT-2026-000014093

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000014093) never changes.

Identity and time

Publication numberOT-2026-000014093 · never reused
Internal UUID01a0ae6d-8deb-7c7c-b2e3-b338e8148882 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014093
StatusPUBLIC

Content hashes

Canonical texta6a31b92fd0538e6ae0ef8f24db84e800de1f1804bbcc470685fe022d429cfa3
Markdowna1d4dd17ada5a1c23072a960009137cf472c642e1604002f65e379a4c50e6e9c
PDF
Publication page68aa6b8c6a5fc711cd71cc04b71b80eb5a956566df2bc8b1a24d3cbc02d35697
Manifestcab5166d74375863fe221835fc683974ae9318801591072c09c749e611210604

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
SignatureHA9cThfsfFpyBZX24V8czKg1FT12SAR+Ux2cFrHCxZKi9OAV3a4fsB9QgThmRjbPYaluHrzd/5FYUVQ7WHMvAw==
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

2026-09-17T12:09:20.879332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014093
observed 68aa6b8c6a5fc711cd71cc04b71b80eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.859888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014093/manifest.json
observed cab5166d74375863fe221835fc683974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.839784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014093/publication.md
observed a1d4dd17ada5a1c23072a960009137cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.819711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014093/publication.txt
observed a6a31b92fd0538e6ae0ef8f24db84e80...
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.