OpenTechnical

OT-2026-000075172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000075172) never changes.

Identity and time

Publication numberOT-2026-000075172 · never reused
Internal UUID01a0ae93-f1ff-7ebf-a08f-df36ca6f2758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075172
StatusPUBLIC

Content hashes

Canonical text9f595a04b8e8e4913a323cb3ad770fecaddc6351c16346939d2d5ddd7e4c0c98
Markdownd85c270e2a208fce0501e5bc68e5bf3fe501b6d4d6f667ce31fc2a3c9470d531
PDF
Publication page59718a78999cc884daf4c69ed7bf2c152dd7d15070abaea86a2de693bc883fc5
Manifested76a95d91b8ddf8089802021818926d1599cd0bca266b276d002114875fa246

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
SignatureOnVlx5RjzM6OiU9SCiKWiLqd3hEIsWugz4CjfROr8hfZ0jQOsayyi9OyvvLn8t5YAV3sFZef0nYwiGEYpYQ8AA==
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

2026-09-17T10:20:25.212278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172
observed 59718a78999cc884daf4c69ed7bf2c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.193612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172/manifest.json
observed ed76a95d91b8ddf8089802021818926d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.174900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172/publication.md
observed d85c270e2a208fce0501e5bc68e5bf3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.156428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172/publication.txt
observed 9f595a04b8e8e4913a323cb3ad770fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:33.194955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172
observed 59718a78999cc884daf4c69ed7bf2c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.799169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172/manifest.json
observed ed76a95d91b8ddf8089802021818926d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.780260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172/publication.md
observed d85c270e2a208fce0501e5bc68e5bf3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.760813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075172/publication.txt
observed 9f595a04b8e8e4913a323cb3ad770fec...
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.