OpenTechnical

OT-2026-000080204

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000080204) never changes.

Identity and time

Publication numberOT-2026-000080204 · never reused
Internal UUID01a0ae96-7e76-743f-82ad-400e24e0a2c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080204
StatusPUBLIC

Content hashes

Canonical text65972c5f844bc26415614da93fbe136c3d99fee9fdb2cbd1dc5a0cd2274e74ae
Markdown767db9116501a6d7e20bd81eb8f28b8c34479e51d770cb3a0a46409e28469caf
PDF
Publication page3b900342055b4b939e2b209fdbfbd4c3a561731d704fca0f8d0b8a16a8525e16
Manifest8e5df228903ea49f2ca2c88c09f5c118808eb6065dcd95f65031c5dbc127a26e

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
Signature6e0FEZUm9qopftbPtbaFA6ga0EgyKdx6VlOEQ1JusK0Dvv7+A+G5aGbJheRK0jvNA8P2wap/+BU5iUjDvVZ1Bw==
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

2026-09-17T10:02:39.060755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080204
observed 3b900342055b4b939e2b209fdbfbd4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.041965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080204/manifest.json
observed 8e5df228903ea49f2ca2c88c09f5c118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.020492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080204/publication.md
observed 767db9116501a6d7e20bd81eb8f28b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.000586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080204/publication.txt
observed 65972c5f844bc26415614da93fbe136c...
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.