OpenTechnical

OT-2026-000037399

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000037399) never changes.

Identity and time

Publication numberOT-2026-000037399 · never reused
Internal UUID01a0ae77-b8cd-7f0a-9a17-02064375fdbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037399
StatusPUBLIC

Content hashes

Canonical textc7cb2cec5e5b72aefc294631b63594ba71304e947f60a6c78486933d907b9e53
Markdownfefe7abd00cbf029279d34d77f6ab4dcf9d319d0e1ffefdc15bd85afc7882379
PDF
Publication page3086c4d6312757ddc9ae002cd0a7f1da4881e22d8956f0206d4446459def551f
Manifest8d924034d6ee45f56266a757ca0004a53fa9c882f06e45f453f213e06a73199d

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
SignaturenMblROwJUQualHjroEx1L3Hbj7/dvB3nQdfKdGAwyx4KtHlXyJpkonTTEHZSKipKx9lLq+OnfKbpQhhuJ4jlBg==
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

2026-09-17T11:23:49.825916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037399
observed 3086c4d6312757ddc9ae002cd0a7f1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.808602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037399/manifest.json
observed 8d924034d6ee45f56266a757ca0004a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.789460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037399/publication.md
observed fefe7abd00cbf029279d34d77f6ab4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.772902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037399/publication.txt
observed c7cb2cec5e5b72aefc294631b63594ba...
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.