OpenTechnical

OT-2026-000078928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000078928) never changes.

Identity and time

Publication numberOT-2026-000078928 · never reused
Internal UUID01a0ae95-ccbe-7c9c-85b6-323b3f976d7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078928
StatusPUBLIC

Content hashes

Canonical textc9966fc0da28ffb7bfe11fec724b70cea3c68625c8a3f6fd5e51a90f0016e32d
Markdown8086d4d82a2f4548dae529fd026fc44292bf31804f1fb67bd451b6b25d484fbc
PDF
Publication pagebba341e8ea8e35426a9a046099d6dcbd1ab332cddd51a1ad20ca7240d596d3ee
Manifest7fd3eef4d9c5d86e17dcb036b3b4ea099330f0cb73139b6718a9aa5ad62cd126

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
SignatureKaNUPIuoQdrz38HU8/12a/ji0Gfz99BiSw5wSymNYwmM4EyaHTKYLG1ReIznAZv7hePAAFECigONCqY2EoADDQ==
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

2026-09-17T10:05:22.644734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078928
observed bba341e8ea8e35426a9a046099d6dcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.626832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078928/manifest.json
observed 7fd3eef4d9c5d86e17dcb036b3b4ea09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.598151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078928/publication.md
observed 8086d4d82a2f4548dae529fd026fc442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.568980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078928/publication.txt
observed c9966fc0da28ffb7bfe11fec724b70ce...
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.