OpenTechnical

OT-2026-000074439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000074439) never changes.

Identity and time

Publication numberOT-2026-000074439 · never reused
Internal UUID01a0ae93-717a-7d35-9cb3-3eb928f94d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074439
StatusPUBLIC

Content hashes

Canonical text855e6ebeeaaf26f5eec1be9ed48b82afa0a146a7b053ab053ea33eba53872f91
Markdown7896009654886a6b0c1012b672b6b078106b66f1f5a06fb737d1d607f7dca2aa
PDF
Publication pagedd01d9b391093bb00b6b09c7bd8a58d83db087d02741d2b7d472014c180cfd7a
Manifest6ee604d5999f2adde370a4c386b19ccb9d7f0557587180a53e73ac825566d7b2

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
SignatureNbj+OI7jZWLkIt4cA4OU53jhN62eYdFjlK24M6CZl3tjaS+Za4UmNMy54F03u+vqhhYVzUROHRsDCKkXAWbKDQ==
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

2026-09-17T10:19:23.542309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074439
observed dd01d9b391093bb00b6b09c7bd8a58d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.523766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074439/manifest.json
observed 6ee604d5999f2adde370a4c386b19ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.505584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074439/publication.md
observed 7896009654886a6b0c1012b672b6b078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.486916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074439/publication.txt
observed 855e6ebeeaaf26f5eec1be9ed48b82af...
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.