OpenTechnical

OT-2026-000028607

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off 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-2026-000028607) never changes.

Identity and time

Publication numberOT-2026-000028607 · never reused
Internal UUID01a0ae72-e2f9-79e3-8a1f-c420bea34df8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028607
StatusPUBLIC

Content hashes

Canonical text9602006e8e6eae32afd7962418c5272f9cc83867d91163ee30cf3771795b3138
Markdowne5712bdb5aba27e39f9df1c411fcfdce83e8e9b4cf8c6d908f8d75a97a5107ae
PDF
Publication page5fa5147612f8af0a5a315e5dcdf1c8a2e91d7803714a708dd2e9151407864394
Manifesta60a6722b238620c75e7e9a5be9b1629c31fa67cd5cf876053f5b7647b077e5b

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
SignaturexJwuhHEAEvY3PsF77MDTq9PuehEJZLW7US0ZvVPnnWG/UKiOiVfjC1kiXgOJIorcgo5YtSNxqxwR5adAMHpcDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:41:28.054996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028607
observed 5fa5147612f8af0a5a315e5dcdf1c8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.029968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028607/manifest.json
observed a60a6722b238620c75e7e9a5be9b1629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.006914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028607/publication.md
observed e5712bdb5aba27e39f9df1c411fcfdce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:27.986428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028607/publication.txt
observed 9602006e8e6eae32afd7962418c5272f...
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.