OpenTechnical

OT-2026-000044553

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000044553) never changes.

Identity and time

Publication numberOT-2026-000044553 · never reused
Internal UUID01a0ae7c-39d9-760d-a7ca-e21fdd2f9845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044553
StatusPUBLIC

Content hashes

Canonical textc8061a0e423fa7b36892b381d5351566bceba89c51339e9248b6c3d82bd49b70
Markdown82abc46b5b1624c5b402aa413de4b2c21bd9f59ca1f4855da2baf3a908de3e78
PDF
Publication page7b791f2a2a2a7384363258b49b1c5caf55021399098b6fd30cafad9f722996d5
Manifest7cb97e09fa943124dce5049d8e811534855e28db41a2e656230a256e6eec8ba7

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
Signature0U24SWnivjGA3/nhgOE0gbIEmDA9CyWr6IKY/9d8hpyPnPuYJKMDn0G9jiPU4R9nYwthDEJv4oZBamRmpQHFCw==
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

2026-09-17T11:11:44.552711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044553
observed 7b791f2a2a2a7384363258b49b1c5caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.534218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044553/manifest.json
observed 7cb97e09fa943124dce5049d8e811534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.515509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044553/publication.md
observed 82abc46b5b1624c5b402aa413de4b2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.496820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044553/publication.txt
observed c8061a0e423fa7b36892b381d5351566...
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.