OpenTechnical

OT-2026-000024645

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000024645) never changes.

Identity and time

Publication numberOT-2026-000024645 · never reused
Internal UUID01a0ae71-2725-7c25-9a0b-e6199dc53a5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024645
StatusPUBLIC

Content hashes

Canonical text4b9220107faeea5315f3b04034d565bec913fb1e8447268b3a4aabb341379b74
Markdown0c271ac34dea6b33c5453417783f1a7888779f0928ad1ebb1890d30ff5ca90a3
PDF
Publication page1a483fc46f38539f682b437b34311c4d86dcc8c07abfa34e25c28e1f82f22622
Manifestbb0f1a5476fb6602b09517ca66c454cdf311b680f98b2460125da192346cbc71

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
SignatureQnC681VzC5Oks+9DVUtjfW803YkVIQJQTZ563+SakdWokdazlVeXuel2+C7xfSbI3uzHOsWfmIgGj2vzqnlkAQ==
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

2026-09-17T11:47:49.720391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024645
observed 1a483fc46f38539f682b437b34311c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.702281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024645/manifest.json
observed bb0f1a5476fb6602b09517ca66c454cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.685685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024645/publication.md
observed 0c271ac34dea6b33c5453417783f1a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.668615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024645/publication.txt
observed 4b9220107faeea5315f3b04034d565be...
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.