OpenTechnical

OT-2026-000025080

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000025080) never changes.

Identity and time

Publication numberOT-2026-000025080 · never reused
Internal UUID01a0ae71-2729-756b-bb08-b7989aedf3e9 · 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-2026-000025080
StatusPUBLIC

Content hashes

Canonical textda88ab1c68dbb2d390a4ec74b13528f27e2e1f5033769a7a0310cd0fa5432148
Markdownd6c4d73df818e069710550c0a024291b4d2f42cadf5ace1070d5c665384a8b71
PDF
Publication page6fe8d471e77ee3fba290aa3dea757c2724ddb7bfafa708ed5bf7e3cfe863912c
Manifestd0d6b518c5851128b70cff02a676b2211de28933fcd2432ebfb64477f42e01fa

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
Signature/0bUa8WAN4YyUOj+XXBJEsemm2oj8M5F0U1Mdy99E+nlxyY0ql/ZAOLwYPEVFnM0wYx0d7emaDDtyOcud9b8DA==
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

2026-09-17T11:48:29.763232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025080
observed 6fe8d471e77ee3fba290aa3dea757c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.745724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025080/manifest.json
observed d0d6b518c5851128b70cff02a676b221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.728755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025080/publication.md
observed d6c4d73df818e069710550c0a024291b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.711057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025080/publication.txt
observed da88ab1c68dbb2d390a4ec74b13528f2...
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.