OpenTechnical

OT-2026-000075266

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000075266) never changes.

Identity and time

Publication numberOT-2026-000075266 · never reused
Internal UUID01a0ae93-f200-73ce-bd85-089197fc3c22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075266
StatusPUBLIC

Content hashes

Canonical text57d133a7026f912d13405111181a88d9b37f4f78916d56b9b6a3111efbd38ad0
Markdownbf8cdd34d2fd8cc70cb656e888e9608d1fc370553ed7231e207e884ccd2187a9
PDF
Publication pagec16be0f1681652f52a8c786a074de62503a81da43fb8a5adf214dc9ff503b86d
Manifest5083518eb6bb6d3681de3feba38613649fd4e87cd050f5beaead4ec33a9759a6

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
SignaturewdQLMTdeOE8peg5jp1d+PhkZFIDy0NhQytfha2c78i+dqyZRjF7bx+lb2vbl373k8wKb1+fcJ0tYmtbJ117DDg==
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

2026-09-17T10:20:35.652131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266
observed c16be0f1681652f52a8c786a074de625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:35.633104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266/manifest.json
observed 5083518eb6bb6d3681de3feba3861364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:35.614545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266/publication.md
observed bf8cdd34d2fd8cc70cb656e888e9608d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:35.369298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266/publication.txt
observed 57d133a7026f912d13405111181a88d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.231136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266
observed c16be0f1681652f52a8c786a074de625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.214040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266/manifest.json
observed 5083518eb6bb6d3681de3feba3861364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.195752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266/publication.md
observed bf8cdd34d2fd8cc70cb656e888e9608d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.056623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075266/publication.txt
observed 57d133a7026f912d13405111181a88d9...
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.