OpenTechnical

OT-2026-000079428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079428) never changes.

Identity and time

Publication numberOT-2026-000079428 · never reused
Internal UUID01a0ae96-0b91-7176-a39b-3fd87b95706d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079428
StatusPUBLIC

Content hashes

Canonical text26c864a76ae1f731d6451484adbede9be48ecc4d479c39cdea355e75509237a4
Markdowne8dbb395ac9fe1a312746007ebb1bffaca499e0fef52e8a03248d02a1e7fab1f
PDF
Publication page2931dfbe335ecb1792243668951232db36f483cd804cbad2d79d5133264a8e26
Manifest4e23355591fcb526cbaae1d965cef49e93c6f5b22d039b7ec271384c0c5fa166

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
SignatureuLLnEaHLZQWOVuyJQ6HLeMDTIZCR3gkxhlNgYg75L1m2Af0MaAln0Uk+n0Y1zXC4TnwMfsN8xZU8TlQw/sASDQ==
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

2026-09-17T10:05:03.296491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079428
observed 2931dfbe335ecb1792243668951232db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.278587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079428/manifest.json
observed 4e23355591fcb526cbaae1d965cef49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.260519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079428/publication.md
observed e8dbb395ac9fe1a312746007ebb1bffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.242296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079428/publication.txt
observed 26c864a76ae1f731d6451484adbede9b...
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.