OpenTechnical

OT-2026-000074248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000074248) never changes.

Identity and time

Publication numberOT-2026-000074248 · never reused
Internal UUID01a0ae93-7178-7269-9798-5b404f84f484 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074248
StatusPUBLIC

Content hashes

Canonical text21a87b28959b6da71c8b69d89e06f0b33da99015788ac63b4355c78798bca369
Markdownfe1640df0d4e3797f26d9364914f8db65ae4f6ae19f8b8698b003a93f1c8761e
PDF
Publication pagec7b01706fc579a4ed34dc5f5ae219f63b3864c7b58688262bd0242c00e2f17fd
Manifest1e791ec91a4000efd69bcb6ff7aae3c49885a6a2dac188970336ed3e265b4f3d

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
SignatureXkCKWOoxnd/Ye6b8/71Uwci4aPbUXMnDTrbmPvv5ppRoKlJVMoyUaZCde6RyIrHAwsl6TF/VCTuU1WE/J/vAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:08.735812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074248
observed c7b01706fc579a4ed34dc5f5ae219f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.717564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074248/manifest.json
observed 1e791ec91a4000efd69bcb6ff7aae3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.698703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074248/publication.md
observed fe1640df0d4e3797f26d9364914f8db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.680764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074248/publication.txt
observed 21a87b28959b6da71c8b69d89e06f0b3...
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.