OpenTechnical

OT-2026-000073808

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073808) never changes.

Identity and time

Publication numberOT-2026-000073808 · never reused
Internal UUID01a0ae93-2b8d-71ab-b920-00f45cbc9bbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073808
StatusPUBLIC

Content hashes

Canonical text58f3abc6a3b5af2e27bbe04825345adaae161e3517485ba52b7e5defcdb8058d
Markdown3992641557e17c9feaaf9ff156bb5208532cb5f387aeae991236faa9c64bfa2c
PDF
Publication page15b44253d1ac71ded54e4f32042c20887406f281514dbca912f680bd16d7b2c8
Manifestac0b189aa9f5fbc4c4a4226985299315dfa307ae3221e4e6c4d739cde175ac01

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
Signatureme/OavQRZIq+XkUPm1JTaeyxJVfk+aU612nvBhwZ212acEGVw4M91ZErnDtmzBHzbmTulnr76EMCa5AHA/NwBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:55.680165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073808
observed 15b44253d1ac71ded54e4f32042c2088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.661228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073808/manifest.json
observed ac0b189aa9f5fbc4c4a4226985299315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.640776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073808/publication.md
observed 3992641557e17c9feaaf9ff156bb5208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.620337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073808/publication.txt
observed 58f3abc6a3b5af2e27bbe04825345ada...
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.