OpenTechnical

OT-2026-000071716

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000071716) never changes.

Identity and time

Publication numberOT-2026-000071716 · never reused
Internal UUID01a0ae92-1e91-7d95-9a24-f2fa74b1ec5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071716
StatusPUBLIC

Content hashes

Canonical textfb1663b111b26261177f50a01edc671865f089088f78f64677dab7d9e3f47d2a
Markdown6f6fb7dd9451975fa36a01141f028c28c52862fe664cca104cf2d61d5f9ea2b8
PDF
Publication page585da17ff689cf92ed11123e6d7b41d15c0cd98976af6cd837dcd6ff20886549
Manifest312a89c3528e7584b1273487c88b2cf6e2de5beaefeb14ceceb3dd61c15d4e30

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
Signature2wxcwg5gCxxv9M3u9Lxl/mlOVm591K7RZgigHsmYLEsl9/Glhvz6pz95bz6wh7y6v9bdcLO5qwGluYvyvo31CQ==
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

2026-09-17T10:23:52.045866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071716
observed 585da17ff689cf92ed11123e6d7b41d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.027362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071716/manifest.json
observed 312a89c3528e7584b1273487c88b2cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.009337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071716/publication.md
observed 6f6fb7dd9451975fa36a01141f028c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:51.991146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071716/publication.txt
observed fb1663b111b26261177f50a01edc6718...
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.