OpenTechnical

OT-2026-000017671

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000017671) never changes.

Identity and time

Publication numberOT-2026-000017671 · never reused
Internal UUID01a0ae6e-96fa-7779-95b2-1b1b911d825d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017671
StatusPUBLIC

Content hashes

Canonical textc5de76dc91deff10e0beb3329485b7c4a282f7983fe810b61e03f366e590c563
Markdownbc82b38b32b51573677b9fc71a8257009a0e5c215b4c6b27d862386ad4162bbe
PDF
Publication page9eb8c3cef7e85225fd113760892be8a57ab062ee7ffe5ef30fd772f108e16932
Manifest5abd870563a1afa034b74b1c4e0c9e1d1e1b1fce6be41194bbdab483d6b172c6

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
SignatureMXyPHVZu/TTlkVaSW7K3tXs6BudV/R5o+dgefC0y7BdUPiiPaQYqbIjqIulV4w/Cd8RE1vlk3ZVvjqshWmk1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:36.537808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017671
observed 9eb8c3cef7e85225fd113760892be8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.518636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017671/manifest.json
observed 5abd870563a1afa034b74b1c4e0c9e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.499021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017671/publication.md
observed bc82b38b32b51573677b9fc71a825700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.481956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017671/publication.txt
observed c5de76dc91deff10e0beb3329485b7c4...
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.