OpenTechnical

OT-2026-000063661

Publication integrity record

Three cup vacuum gripper, three 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-2026-000063661) never changes.

Identity and time

Publication numberOT-2026-000063661 · never reused
Internal UUID01a0ae8c-f946-7e2e-bb04-6435221d302a · 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-2026-000063661
StatusPUBLIC

Content hashes

Canonical text77c98d1c8a8f9800488d7700315c0ab96a03fd84893a363db02d4b0b76da5ff7
Markdown85ef14f60bd7a5884dcb546ce22fce6bc0db7be727cb282479bb0581a0780601
PDF
Publication paged6fad7a31c9416070c8f5a811b174736471040318c46e75670ba0e1d5761343d
Manifestcdd4692d8691c525cd44cb3695cf907aeeccc6d096a96ed3de34cbb293d9df2b

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
Signature0zMvFdLFNkW5KxqON1FHaNpxEImfz0lqDK1xNHIcFS3H/1KAwLPYAA5LOgLj6fYElLbnVjzZe6LA4+OCZDvTDw==
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

2026-09-17T10:37:46.288250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063661
observed d6fad7a31c9416070c8f5a811b174736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.271073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063661/manifest.json
observed cdd4692d8691c525cd44cb3695cf907a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.251936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063661/publication.md
observed 85ef14f60bd7a5884dcb546ce22fce6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.232552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063661/publication.txt
observed 77c98d1c8a8f9800488d7700315c0ab9...
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.