OpenTechnical

OT-2026-000071178

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071178) never changes.

Identity and time

Publication numberOT-2026-000071178 · never reused
Internal UUID01a0ae91-e0eb-7e2c-83e8-311f5976446d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071178
StatusPUBLIC

Content hashes

Canonical text3ea74d9c5299c3e13961584339b8d6f85312a5ce1fed916a58f0c2d7087dc1c0
Markdownda7c6165ea65d0daaf012327f4eb5ebe3fa664049c9b287603afc9f775ddafa2
PDF
Publication page57fcbd3c5466bdeff819ee7798c208e85f0cc868ead4040c61e5a12de280e43c
Manifest35aeab45f778823e8bcf8e8de0a53a126c1aa68c858cbbdb993da641681e6da5

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
SignatureLggslIx91YdhgTdW9mfY5ZwYY8DlezLfQXqS8dK9b1cfUNOamdXoK0sMk9OcQbOLLW57sivt+ePs2QwPHNKJDQ==
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

2026-09-17T10:24:41.485561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071178
observed 57fcbd3c5466bdeff819ee7798c208e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.469549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071178/manifest.json
observed 35aeab45f778823e8bcf8e8de0a53a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.452574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071178/publication.md
observed da7c6165ea65d0daaf012327f4eb5ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.435540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071178/publication.txt
observed 3ea74d9c5299c3e13961584339b8d6f8...
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.