OpenTechnical

OT-2026-000072352

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented before set-down, on a tool changer

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-2026-000072352) never changes.

Identity and time

Publication numberOT-2026-000072352 · never reused
Internal UUID01a0ae92-47c3-70d2-addc-f7b7bbd25670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072352
StatusPUBLIC

Content hashes

Canonical text8778c511f8bd09d58a635c18f493a6c8200af3b6ae19477b219d2c58197be65f
Markdown3426cdf54332a74837fe9bfec0bfa70a640614c84f0e37eb2a71ea8e48af9455
PDF
Publication page0426221b6beda69f2fa59ddda94a43b5ac3403aecd61cf84b319c3cbde24bddf
Manifestc3cb8d1ac7d309559662f42cf2d803703bb87a362202f68240793d9c022eaa4a

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
Signatureiwx/G8YAoQnBQ2Ztf+iAvZEJ38efih+Kt3UZWSLusYWYOfSQlW+X7H+hVzOgVIMKSdpBKU/fVuFAcMjfLFOJCQ==
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

2026-09-17T10:23:35.151969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072352
observed 0426221b6beda69f2fa59ddda94a43b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.136513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072352/manifest.json
observed c3cb8d1ac7d309559662f42cf2d80370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.119656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072352/publication.md
observed 3426cdf54332a74837fe9bfec0bfa70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.104377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072352/publication.txt
observed 8778c511f8bd09d58a635c18f493a6c8...
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.