OpenTechnical

OT-2026-000073001

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line 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-2026-000073001) never changes.

Identity and time

Publication numberOT-2026-000073001 · never reused
Internal UUID01a0ae92-c815-7e63-89cb-8453745b0625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073001
StatusPUBLIC

Content hashes

Canonical textad21dba00d3ab6167b04beb8afc969f844ae7c42c4ada529b2e5a134a7a35f02
Markdown59df456e68ee138cdb526c2fa8fac99f1762a15bb99748eaf58a9333851175db
PDF
Publication pageebe0c974ccfcb36302a7b43e7b3974b95655ff85f5bc59e472ae398e33057057
Manifest8c9949fcbf38f8c38e956b44e0b2d55fde2cb1a7c7a1c3611f7a9a49a86933a3

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
Signatureb/fcPSulTGHWIQJoRwC+rc4KHIoipa3wkg/tSBiRs8ccXezLS6X0J4i3n+CJK8dD/JcyzAUUx+qY3lp+0NEWAw==
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

2026-09-17T10:21:56.124319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073001
observed ebe0c974ccfcb36302a7b43e7b3974b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.107403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073001/manifest.json
observed 8c9949fcbf38f8c38e956b44e0b2d55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.090852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073001/publication.md
observed 59df456e68ee138cdb526c2fa8fac99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.073171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073001/publication.txt
observed ad21dba00d3ab6167b04beb8afc969f8...
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.