OpenTechnical

OT-2026-000057846

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000057846) never changes.

Identity and time

Publication numberOT-2026-000057846 · never reused
Internal UUID01a0ae88-6ed8-7114-ae2c-4dcc0cca5413 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057846
StatusPUBLIC

Content hashes

Canonical text39c09d529f91dca18c79fb53c2665b4f330570a66586a0f333252450b4316bfa
Markdown850e2f7b415f829d7e8ff50b4e987796791c78fefa46106c24ab9bafae4ec8c2
PDF
Publication page44afc257feb5d0a105f05d72f857f9b66386e0b99c687a8a1b6f75c2a0267436
Manifestc1eeb4f4097e16ef6c893e0a33151cf1d1c8f24d41855ed711628ca29e1121db

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
SignaturemT2wF9T47DXom8uUhPRGspVg2llxtwKR1RqFXqk0XSdL05IYGuZnhkG+UgP0AdaM6Vb/Jlb5WmT2XGh0Hb+IBA==
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...

Independent retrieval

2026-09-17T10:47:25.489514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057846
observed 44afc257feb5d0a105f05d72f857f9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.471050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057846/manifest.json
observed c1eeb4f4097e16ef6c893e0a33151cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.453535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057846/publication.md
observed 850e2f7b415f829d7e8ff50b4e987796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.435416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057846/publication.txt
observed 39c09d529f91dca18c79fb53c2665b4f...
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.