OpenTechnical

OT-2026-000081122

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000081122) never changes.

Identity and time

Publication numberOT-2026-000081122 · never reused
Internal UUID01a0ae96-b977-7c78-959f-d2ca1a347c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081122
StatusPUBLIC

Content hashes

Canonical text4f515fd6f9c3905266da616508a192eb332d0e508c1a42ca3779142420ba80a6
Markdown1ad43fa6d9844ac0455cd9f047fbd6175892a4b6badf02f2c052be993db56834
PDF
Publication pageea38acdec3268f67bcb8fe0d4d2ec0fdab6fae8c361616f32c054d8bc80de40e
Manifest4c4f5c9dbc6b6657498008026612906fcab4dbe9b790d372f02af9eb5a006a5e

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
SignatureUQ6vr+DZ85H/C5wBZX4PKxebx0AYOq2CJqYv/oNOfYGs5qHhB9QyqBUwQN1JZj/bxK1RMDs0eJl4+eMjv6wCAA==
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

2026-09-17T10:02:25.964388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081122
observed ea38acdec3268f67bcb8fe0d4d2ec0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.946729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081122/manifest.json
observed 4c4f5c9dbc6b6657498008026612906f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.930187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081122/publication.md
observed 1ad43fa6d9844ac0455cd9f047fbd617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.913397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081122/publication.txt
observed 4f515fd6f9c3905266da616508a192eb...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent