OpenTechnical

OT-2026-000059576

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained 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-2026-000059576) never changes.

Identity and time

Publication numberOT-2026-000059576 · never reused
Internal UUID01a0ae89-ec23-7e87-8669-a7e222202c9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059576
StatusPUBLIC

Content hashes

Canonical texte4db7e455e8de7c205508de637d84846a0fd2681199ae89da3f09c1434b9e3f9
Markdownac6c90bde67072f80bffdca555d352f243b946d20603b6c838d8783a214f8943
PDF
Publication page3a0ff48e08b4a1ca584bca0a096213496326149c04830585af82bed6b979ca19
Manifestf07929e4d6096d2d36a4d023039979bc4c997054f7836e0efce7c78905efc099

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
Signaturekbyl+w7yIFOvVWkMjE7RyVwaQenhhcY0Sqz8yDW1P8LVLKwy/8uYdpwZlS9GnjXINLrcbjJPNcNKvehbBh2LAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:13.466054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059576
observed 3a0ff48e08b4a1ca584bca0a09621349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.448184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059576/manifest.json
observed f07929e4d6096d2d36a4d023039979bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.432388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059576/publication.md
observed ac6c90bde67072f80bffdca555d352f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.416426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059576/publication.txt
observed e4db7e455e8de7c205508de637d84846...
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.