OpenTechnical

OT-2026-000079022

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented after 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-2026-000079022) never changes.

Identity and time

Publication numberOT-2026-000079022 · never reused
Internal UUID01a0ae95-ccbe-70ce-81cd-9fd1ccda4555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079022
StatusPUBLIC

Content hashes

Canonical text02bc288e66312b3292a1a9a09d2c3caa039ff51add0702cca3264872142bff14
Markdownbf51c2a0021c62c30b9426770a36c36b548f5a7c8ca78d1540e6a71692f7d32d
PDF
Publication page581b266e70e253d7006f2d11b5130d09df49fb570bec0f77e37e51d2b87e2177
Manifest05f950bbc61132e09311d11d34758f87c46f7d3b9787fda0c81a469f528097f1

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
Signatureoo0tv9J4Omuj2qBBB7Zrjav/zrJLmi32lz7JJwLn9WnO7k5TWvqJFVj3jKDABtjgax4RO5O7GQWbiH0s8WRDCQ==
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

2026-09-17T10:05:24.068295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079022
observed 581b266e70e253d7006f2d11b5130d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.051514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079022/manifest.json
observed 05f950bbc61132e09311d11d34758f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.034969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079022/publication.md
observed bf51c2a0021c62c30b9426770a36c36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.017048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079022/publication.txt
observed 02bc288e66312b3292a1a9a09d2c3caa...
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.