OpenTechnical

OT-2026-000102469

Publication integrity record

Two 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-2026-000102469) never changes.

Identity and time

Publication numberOT-2026-000102469 · never reused
Internal UUID01a0aea4-858a-730a-ad5d-ca987f91f0f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102469
StatusPUBLIC

Content hashes

Canonical text783ca886b6f97ee960158377f7664d8bff65614ff8f67b6e52c09f4d7cb83a01
Markdown366ca418929dbacf99b37b10d2d347760bfe85a4546c4867ca71a3c0f9bdd2b4
PDF
Publication page7d1b69f121689ef1151a090ee802240f77de9b390b21aa17b1bf0f6497664a70
Manifest8a843a0093ab7afc61e7119fe9ebb0529168e549c4dc8dd9fe2978f3af64d5da

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
Signature7qT4iJbVEu8tbFqmhXPZBBE3Q12/IdoLrGVsAfEfFF6X9Ar1lTVZVWs1WUOU6cuuqHzY72M0pksLuD0f/9McAA==
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

2026-09-17T09:23:49.305575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102469
observed 7d1b69f121689ef1151a090ee802240f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.286691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102469/manifest.json
observed 8a843a0093ab7afc61e7119fe9ebb052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.268277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102469/publication.md
observed 366ca418929dbacf99b37b10d2d34776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.250603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102469/publication.txt
observed 783ca886b6f97ee960158377f7664d8b...
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.