OpenTechnical

OT-2026-000025689

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025689) never changes.

Identity and time

Publication numberOT-2026-000025689 · never reused
Internal UUID01a0ae71-9bc9-7947-a048-b122f440087c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025689
StatusPUBLIC

Content hashes

Canonical text453b3bf9c09f5217da3ee1cc7eea6458950fe99619266cc0123f3ffc05de3447
Markdown3bb57fb86fdb475979cd1bbe1c326fdb56207771c78ecda4218a0054f8a76bee
PDF
Publication page4e679281f5a6e24d9548c8ecb35af8f6a6d70bd82a108f7e300a0baf11ebc68a
Manifestc74ffaf893e3b788ea2abbeb3aa0786fc11b4ce551e46df76f3a4a17bd472cde

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
Signature3q+kVSbw20I7fXc5AqarTvwFsYIOy7/5oV8yA72D2Jh110Z1lF9myZEeTREkPXANjaUdcX8kKho31hBUhpz3Aw==
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

2026-09-17T11:46:54.065157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025689
observed 4e679281f5a6e24d9548c8ecb35af8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.047733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025689/manifest.json
observed c74ffaf893e3b788ea2abbeb3aa0786f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.030539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025689/publication.md
observed 3bb57fb86fdb475979cd1bbe1c326fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.012243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025689/publication.txt
observed 453b3bf9c09f5217da3ee1cc7eea6458...
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.