OpenTechnical

OT-2026-000063617

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000063617) never changes.

Identity and time

Publication numberOT-2026-000063617 · never reused
Internal UUID01a0ae8c-f945-73a8-8fbe-9d49dd593d96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063617
StatusPUBLIC

Content hashes

Canonical textc6ff4d9a909746dc75f2a9d67fca75a534838ba4703e8bba072c9ebcf17e8bec
Markdown320a60320f4cf44a5d358e637716d19ddef66da9ae1ae53f0830b328547f5bc2
PDF
Publication page897dcee9fb6880ff313854847fe276ec67dd40ecc2f7584f2a2a9aea5dabb852
Manifestf3f36211a26e907f05fdc451899a293a777cee3dfc5ef799c51a2376d812b1e0

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
SignatureaKxP16np8+DDId21zXKWaYICdJA1sJThADfLKneA/lncK42GqDLVIEnNW4aAcojX8/dD2XCYtLYPM9Fw5HsfBw==
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

2026-09-17T10:37:38.570179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063617
observed 897dcee9fb6880ff313854847fe276ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.553206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063617/manifest.json
observed f3f36211a26e907f05fdc451899a293a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.530421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063617/publication.md
observed 320a60320f4cf44a5d358e637716d19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.511352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063617/publication.txt
observed c6ff4d9a909746dc75f2a9d67fca75a5...
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.