OpenTechnical

OT-2026-000074716

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000074716) never changes.

Identity and time

Publication numberOT-2026-000074716 · never reused
Internal UUID01a0ae93-ac2b-7f20-99ea-3030f9271024 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074716
StatusPUBLIC

Content hashes

Canonical textf4cd0675b582b769e0efa175c9b827b58ed08a3a915b6f8c77daebf5a1e66527
Markdown79ac06ac38181f3366dc8286cb0eed29e28d38da43507353c1bcff6c75f15564
PDF
Publication page6cbb0632b65e13a10e8fa7e21f54d76309b423b9450732f017b377e829095618
Manifest79f7d712aceb139cc23e5b84be9cff854aa14e165cade62c015a57d1faebb742

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
Signature7dkwhwWwSbUGgLZYUg/pPQWWZnQ5gGAOuMGOHsGiAD/p5rFHTZ+YAENzT6vgTiNNys1UEvJr7XgUOOiqsJqnCg==
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

2026-09-17T10:18:18.733260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074716
observed 6cbb0632b65e13a10e8fa7e21f54d763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.716002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074716/manifest.json
observed 79f7d712aceb139cc23e5b84be9cff85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.696716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074716/publication.md
observed 79ac06ac38181f3366dc8286cb0eed29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.678844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074716/publication.txt
observed f4cd0675b582b769e0efa175c9b827b5...
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.