OpenTechnical

OT-2026-000011173

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, vented after 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-2026-000011173) never changes.

Identity and time

Publication numberOT-2026-000011173 · never reused
Internal UUID01a0ae6c-540f-7d2d-953d-1981de958c08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011173
StatusPUBLIC

Content hashes

Canonical textc4eb567ebd7f1be276d62d10164cc946bf2fe05435283548dc5e5b43a5401bee
Markdown5a8a9bae212caac3b1bc2fdf1101bbf03d87bedf3e6f4aa7056fe80f345ed0cf
PDF
Publication pagefad35b74f6ad6f364be9c2836e654928e74921523800574718efc68f242c6421
Manifesta652db034af503136c813fcf7cf2877397c278be898719a276d0dc2b42cbb925

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
SignatureCj2SDru66oAjOaeFou7PuXd3emhpsgcrQhaJyfoKOr1CNPbtzFVgMVsgoOYnFLHkBDYSPAkWMCGVQVk0t+G7BA==
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

2026-09-17T12:14:06.662757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011173
observed fad35b74f6ad6f364be9c2836e654928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.644015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011173/manifest.json
observed a652db034af503136c813fcf7cf28773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.625822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011173/publication.md
observed 5a8a9bae212caac3b1bc2fdf1101bbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.608454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011173/publication.txt
observed c4eb567ebd7f1be276d62d10164cc946...
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.