OpenTechnical

OT-2026-000014878

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014878) never changes.

Identity and time

Publication numberOT-2026-000014878 · never reused
Internal UUID01a0ae6d-d095-77bb-8462-a3b3056c33e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014878
StatusPUBLIC

Content hashes

Canonical text29490ce2c1553282bb6e189d32011041f6e72d1e7d8acccab4898363db832901
Markdowna9dd7c25f1c858a4f93e2f944745789ffa01f67dc6aa0040d96218483b3c229f
PDF
Publication page2c0d2e8d442bed20932bc0fd1adc9343ff30ac0f8a7cec874a7dc26361d021a8
Manifestb2b07919d59638f3842ea5f66f8a93f139f6cc5d491836bd707fb387406ca67c

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
SignaturebVgD7dS/VtCepF/653+w0/dPf7WLaklN+7ltIA/8sdAttSpoEiO0Jsy7ItXkY86nCXkpTCtJQcZTaRVKzaGMBg==
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

2026-09-17T12:06:48.113747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014878
observed 2c0d2e8d442bed20932bc0fd1adc9343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.095950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014878/manifest.json
observed b2b07919d59638f3842ea5f66f8a93f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.077104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014878/publication.md
observed a9dd7c25f1c858a4f93e2f944745789f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.060704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014878/publication.txt
observed 29490ce2c1553282bb6e189d32011041...
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.