OpenTechnical

OT-2026-000078922

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-2026-000078922) never changes.

Identity and time

Publication numberOT-2026-000078922 · never reused
Internal UUID01a0ae95-ccbd-700d-afd9-badd4bc641eb · 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-2026-000078922
StatusPUBLIC

Content hashes

Canonical texta3f04473e9155123a23c8c03db836a9532bd53b9cd3e7e88ae122c58c075a62a
Markdown8481a065b99741294e01b81137c343dfd43e27aee2e5d9ef43030db514dd9fa9
PDF
Publication pagea3ddf4a8d18c42cf86e23c960d86a128de8b045d4949d5ca7dae928192937a5c
Manifest1796aa37ad3062bb55077dcbdcb5bda99d07b4da2d1fb82f3b1f8d1e78b7cf43

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
Signaturet/ZBZJFWfK/35PispIAfZ5ptFOXHBXBGP3DB8sfesqcASBiLvxvY6H4AyJKChWoFSHeZ8hcWwSwQSg+9Ki5YAg==
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

2026-09-17T10:05:44.671898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078922
observed a3ddf4a8d18c42cf86e23c960d86a128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.655258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078922/manifest.json
observed 1796aa37ad3062bb55077dcbdcb5bda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.638634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078922/publication.md
observed 8481a065b99741294e01b81137c343df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.619652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078922/publication.txt
observed a3f04473e9155123a23c8c03db836a95...
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.