OpenTechnical

OT-2026-000071972

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000071972) never changes.

Identity and time

Publication numberOT-2026-000071972 · never reused
Internal UUID01a0ae92-47c0-74fe-b647-e8b54419a4df · 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-2026-000071972
StatusPUBLIC

Content hashes

Canonical text5ac0a422481587b32a579f6aefddfe7a65f670ec84bfb459bec7f831d576f623
Markdowna3d2d563d1e004ba65d47641b9c165ee93a3e01d929488bf37fb9fe5dda32edc
PDF
Publication pagefeb4cd2d458b4b8f89bd5ee46e62478e6f91289bd0414c920ddb2d7dd93af982
Manifeste79d3254daa538404244702e40783bb6951e96ee50c2dd6a37d20e895ca1ce08

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
SignatureWX3lbK+BUQ4QKqjQsVdMqhEOopUaPCrmZlY+zezVElt4o0IeRL0tfSZi5KSzZ1j5dNItDCM1jKBp93GG0NItCw==
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

2026-09-17T10:23:01.002579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071972
observed feb4cd2d458b4b8f89bd5ee46e62478e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.986387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071972/manifest.json
observed e79d3254daa538404244702e40783bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.968618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071972/publication.md
observed a3d2d563d1e004ba65d47641b9c165ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.951990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071972/publication.txt
observed 5ac0a422481587b32a579f6aefddfe7a...
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.