OpenTechnical

OT-2026-000037650

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000037650) never changes.

Identity and time

Publication numberOT-2026-000037650 · never reused
Internal UUID01a0ae77-b8cf-79bd-ad44-0b5cf95b53a9 · 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-2026-000037650
StatusPUBLIC

Content hashes

Canonical textc784ae2f4b462e4b63b17a724559a0bc24487e1542d05335f57ff7bc3d520d1c
Markdown91832c00e3e50a63b8801fc085f9ddb19e3e99275487b90fadbdaf8af37918d3
PDF
Publication paged4689531c2fce84c919cdcd8868169a2113a3c251a15d42b894a4da205f7e8e2
Manifestfd50ec38cdd5c167d59a5dd169bcbf0bc73ecdac19934158122dbe5dbbcd5134

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
SignaturegeI1f7Fz1lXyroi5lsTGgvfEvPkBNJ4YXdtMn8wbu0XiyHJgbcCMe6MWmFZykf4BzOPeqYgGZhLxSiwKfyLACQ==
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

2026-09-17T11:24:13.317272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037650
observed d4689531c2fce84c919cdcd8868169a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.298500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037650/manifest.json
observed fd50ec38cdd5c167d59a5dd169bcbf0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.280639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037650/publication.md
observed 91832c00e3e50a63b8801fc085f9ddb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.263123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037650/publication.txt
observed c784ae2f4b462e4b63b17a724559a0bc...
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.