OpenTechnical

OT-2026-000049336

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000049336) never changes.

Identity and time

Publication numberOT-2026-000049336 · never reused
Internal UUID01a0ae81-1350-7240-82ca-c2cf36f458a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049336
StatusPUBLIC

Content hashes

Canonical text40f851b821f6e8305d2cd2ad21a477625f76230593bbe7ddd275d98b5ba41ea2
Markdown025a665eb4f3484009de095d756a51ae552c00ef00db4d3999a4ed8d4a376417
PDF
Publication page1a6d27ac52904ec01b90038283acbd06d0ee597879ace765b8d5266068e5ab20
Manifest5b52463f8230f94fa16c1d863ac6cdbf6b98efd7e338c19e0476c751ebe44c35

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
SignatureZ04l3+o1kP8Mh2T1CpBrmQ/Le+GwyLEJlZDgVuACQHXYezk9Ku4HAPdGJ5Vw11CyqIzFC32JZCSULJFKBVNeCA==
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

2026-09-17T11:04:12.943846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049336
observed 1a6d27ac52904ec01b90038283acbd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.924719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049336/manifest.json
observed 5b52463f8230f94fa16c1d863ac6cdbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.904761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049336/publication.md
observed 025a665eb4f3484009de095d756a51ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.884177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049336/publication.txt
observed 40f851b821f6e8305d2cd2ad21a47762...
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.