OpenTechnical

OT-2026-000104399

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000104399) never changes.

Identity and time

Publication numberOT-2026-000104399 · never reused
Internal UUID01a0aea5-3421-7733-aa1f-8d072ee3b11d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104399
StatusPUBLIC

Content hashes

Canonical text70698418f4cabe3b7e4d8dcbea1f387b04d4939a3a5a7301b9f1d4dc88bd05da
Markdown616d458693fb3d170967d6e3c9a56d01666c758ac0be68b69e165ce6feb3d894
PDF
Publication pagec17e103f66184b7fa36ba6b59a2b691f2d6214fab3d26b2888d47aaf4110644c
Manifest0ee981157117236a5eeb7885a54ba4bcf6765cb080296deb07ccb3685031f624

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
SignatureAD6wEJpijr53K6P1PtUuw/1jmlCGdBF+ZSaWNMvbCHXdDn1g9trepUuRvkYHjjK4cJGEkQ7TauerKg4uqp5WDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:40.076458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104399
observed c17e103f66184b7fa36ba6b59a2b691f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.058298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104399/manifest.json
observed 0ee981157117236a5eeb7885a54ba4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.040334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104399/publication.md
observed 616d458693fb3d170967d6e3c9a56d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.021789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104399/publication.txt
observed 70698418f4cabe3b7e4d8dcbea1f387b...
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.