OpenTechnical

OT-2026-000068852

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068852) never changes.

Identity and time

Publication numberOT-2026-000068852 · never reused
Internal UUID01a0ae90-6dcc-74ea-8aaf-e58c01e45a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068852
StatusPUBLIC

Content hashes

Canonical text15b75860ed3c16b3171c773a05833c3b5288d6b954be1ddb6713501b40848282
Markdowna84f7bc9b72cfcb26c815bc390dbb3b89f803ecd07dd83062ff7aa076d75218e
PDF
Publication page96dec81c85a53fbc9716355ec9abb8d59292608fc72c52ba2348ee013ef484ff
Manifestf952dd73e48fd81a3af1f68e8e5507188c5ce26975b1062f7d264baf18f3a1ef

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
Signature8qqPuQNhOfpTf4bjx2yC7Da+sqCOmOZ6fif5REJtBkwZmFyZVEYW4RG7KMX57aiSbkrIJZ8azpoMYj46cL54Bw==
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

2026-09-17T10:28:39.856607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068852
observed 96dec81c85a53fbc9716355ec9abb8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.838319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068852/manifest.json
observed f952dd73e48fd81a3af1f68e8e550718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.820164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068852/publication.md
observed a84f7bc9b72cfcb26c815bc390dbb3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.803378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068852/publication.txt
observed 15b75860ed3c16b3171c773a05833c3b...
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.