OpenTechnical

OT-2026-000055682

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055682) never changes.

Identity and time

Publication numberOT-2026-000055682 · never reused
Internal UUID01a0ae86-a103-7488-a81c-bac8fb7c709b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055682
StatusPUBLIC

Content hashes

Canonical textc8622c897d2476d151ad15e99a421ffd4456fa98fd6f6315de0e9fdda49d14f5
Markdownd53502df0011fc4c170e6e82b869cce7c7e4c831ff937c6c2067f271b3e41135
PDF
Publication pagecc4e3da7dafe3d03a07a0bc7b245529f4268f309b34519434fe7961c8d4d4524
Manifest6bffe02b09b53a34271b8266d3d7a2e13fd3c0f38b0ca0953acfd883558175eb

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
SignatureKyOVrhcEUwhq7Mtc9qnRRbkXZxyXTIuW/s1RmtW9wjT2S0z4zMESvwf1Byfpw9bCNvzZWaw2BuxB32eItw3eDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:56.879187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055682
observed cc4e3da7dafe3d03a07a0bc7b245529f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.858603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055682/manifest.json
observed 6bffe02b09b53a34271b8266d3d7a2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.839375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055682/publication.md
observed d53502df0011fc4c170e6e82b869cce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.821449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055682/publication.txt
observed c8622c897d2476d151ad15e99a421ffd...
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.