OpenTechnical

OT-2026-000073839

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000073839) never changes.

Identity and time

Publication numberOT-2026-000073839 · never reused
Internal UUID01a0ae93-2b8d-70ae-aa03-4e4aebca0220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073839
StatusPUBLIC

Content hashes

Canonical text748b5596e3f540290d2beff1ea08df3a52ddda5bd7c22c0f79887ef988c70605
Markdownada740c5ff54d633e8c07e86f8e997b5406a7a844b74f73ab2390ea12743664f
PDF
Publication pagec177851a0f24898a87afed5da23ced340980b866bfc3671300c5a306f9e497df
Manifest237c93e63ddcd2ef0b28e9010a2ada416c3907dc645cbf686ab777e5bba0071e

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
SignatureZS12I1omqV1jJKTrdADe+33x+RpZnEvBLnTR3nbTZ6Khg4vKaEueYDuG3a83ExzbAXB6pfbi9EEPQUKnfNP6Dg==
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

2026-09-17T10:19:58.228710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073839
observed c177851a0f24898a87afed5da23ced34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.208101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073839/manifest.json
observed 237c93e63ddcd2ef0b28e9010a2ada41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.187742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073839/publication.md
observed ada740c5ff54d633e8c07e86f8e997b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.168440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073839/publication.txt
observed 748b5596e3f540290d2beff1ea08df3a...
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.