OpenTechnical

OT-2026-000074962

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000074962) never changes.

Identity and time

Publication numberOT-2026-000074962 · never reused
Internal UUID01a0ae93-ac2d-79a6-b28e-ec5213b09c61 · 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-2026-000074962
StatusPUBLIC

Content hashes

Canonical text3b0f582ff3c80677d8feb80e7c0c9113d2eb121ed214ab24f507f182abac2028
Markdown075c2345bd13039cbd9903d128f9caf93dcd9eb0c0b866f254a4cdb71f521c00
PDF
Publication page91e6275f8d0dc258531d8e949991376c1aa241dca6ee5f026e973248784d5bef
Manifesta86bc741c059a0d48ca846c26aa850e8bb14451b7aba644af04683c510fd39a0

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
SignatureFMaTw+6qhNCqVRWjQW5GQMFb3ATmqd7QXw4haz5ps6dyuW8JqaPVI+gE94VdXsRdnKUoW6dWUxh9sl68yKeFAg==
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

2026-09-17T10:18:45.721407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074962
observed 91e6275f8d0dc258531d8e949991376c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.704656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074962/manifest.json
observed a86bc741c059a0d48ca846c26aa850e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.685804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074962/publication.md
observed 075c2345bd13039cbd9903d128f9caf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.668195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074962/publication.txt
observed 3b0f582ff3c80677d8feb80e7c0c9113...
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.