OpenTechnical

OT-2026-000056202

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented before set-down

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-2026-000056202) never changes.

Identity and time

Publication numberOT-2026-000056202 · never reused
Internal UUID01a0ae87-4bd1-7e62-85f1-34213de012bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056202
StatusPUBLIC

Content hashes

Canonical texte5fe1cc9f1e80c5fa6f8d2cf5297f1044395a28af1e8df9a0302f93cea710861
Markdownb8bd7202aea8eba26cf6f45eb223e807055fc3a58c728ecdbd6b87410ce393bc
PDF
Publication page5c7cbb2d2780037cacf4cadb3f515957a190acc7890451e3cfe6fb093baa639b
Manifest2b944b3292db35c426af0c689015579047d56d44ec78b300bdc11491de7b857c

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
SignaturezBOGFW7eFLKiExeptkXoOs0iurOMRpYZa4B8uK9/8jyWksXkPe+0Z50HgmLOjBhhfs4dVrZrHAEOSZxZf1hVCw==
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

2026-09-17T10:50:40.393633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056202
observed 5c7cbb2d2780037cacf4cadb3f515957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.374684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056202/manifest.json
observed 2b944b3292db35c426af0c6890155790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.355146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056202/publication.md
observed b8bd7202aea8eba26cf6f45eb223e807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.334349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056202/publication.txt
observed e5fe1cc9f1e80c5fa6f8d2cf5297f104...
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.