OpenTechnical

OT-2026-000103047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off 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-2026-000103047) never changes.

Identity and time

Publication numberOT-2026-000103047 · never reused
Internal UUID01a0aea4-be3d-7da3-bb48-5e6bd4bc3c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103047
StatusPUBLIC

Content hashes

Canonical texta0d99eeb8c0383fa5fe97b15a6fbd2d0818afdf4348504fe1ea6a9ad42e44646
Markdown304f68fc47fef7d17707e91e0202a3da1a78d3ba929607bd1133f47912764c37
PDF
Publication page40437159fa3a8de76611656783bfe2e81ee411c4054d3622e4e56198be824a4e
Manifest45f41a27912a938362c26ccf9487220e9ebe16c087a6c3d36ef6f3ab970da7bb

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
SignatureOEH1WswkpobNeIdgVDhdN2+xSvFOxW8RnUqCU9iJnDj/gw3fZNUCj6lxet3Hs1kyndQNB9G4cePDDd7j1ROaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:10.337207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103047
observed 40437159fa3a8de76611656783bfe2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.321364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103047/manifest.json
observed 45f41a27912a938362c26ccf9487220e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.304214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103047/publication.md
observed 304f68fc47fef7d17707e91e0202a3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.286981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103047/publication.txt
observed a0d99eeb8c0383fa5fe97b15a6fbd2d0...
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.