OpenTechnical

OT-2026-000074239

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000074239) never changes.

Identity and time

Publication numberOT-2026-000074239 · never reused
Internal UUID01a0ae93-7178-7ac7-97f0-ebcea2a01768 · 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-2026-000074239
StatusPUBLIC

Content hashes

Canonical texte4de1aa06f8358972cb8a9bcf0e0047cf42a8cc3e6eac8079a3cabf3788dbfd2
Markdown47c331a7846e09f3c674afcb2d373c35e883a8e6a8990a3c69dd7ece533e0282
PDF
Publication page5bb3c0d9fe39c040bfc705f68acf614d35938f69823245523248a6fccd9e40f1
Manifesta4d02502b8f41b31e1865a2ef3bd2fb98a6b4483475563c138e6b185a35cb7b2

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
SignaturePb8rDx4VrIHDmiBLluoa6072sT4qchc6lJ1bBRUtQpP2Q+hSQE68+B4cOGhD708+uRw/qUZmwyHLRCrWQ0tpDg==
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

2026-09-17T10:19:06.670041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074239
observed 5bb3c0d9fe39c040bfc705f68acf614d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.651084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074239/manifest.json
observed a4d02502b8f41b31e1865a2ef3bd2fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.633033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074239/publication.md
observed 47c331a7846e09f3c674afcb2d373c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.615289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074239/publication.txt
observed e4de1aa06f8358972cb8a9bcf0e0047c...
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.