OpenTechnical

OT-2026-000043496

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000043496) never changes.

Identity and time

Publication numberOT-2026-000043496 · never reused
Internal UUID01a0ae7b-92ce-77a4-9ef6-e5cd2bf4bdff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043496
StatusPUBLIC

Content hashes

Canonical textf2f8af51a828985ed883071adfb18816146f61215372d6f1816ea44c1f48859a
Markdownadf50ac09749769d4e1db3b1185ca95baacdd97bb9c0a7bb331d40c74831e659
PDF
Publication pagedb452b7c36927304e7bb47d6cbb38bfa44e6bc574fb9d85c26377bff84c0446d
Manifest89dacd3ee9bb9e49002be19aa41d601cecabdf399b804fd94f19b6d92a805b15

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
SignatureDgDJUHzXEd7aIc8GdqcH7syKnstRkPVPwx8gIZC4AMwohL0cY79CIEarocsCyPAHY+p6nQBGz1RIefZ/qxVXAQ==
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

2026-09-17T11:12:51.681502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043496
observed db452b7c36927304e7bb47d6cbb38bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.661530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043496/manifest.json
observed 89dacd3ee9bb9e49002be19aa41d601c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.641790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043496/publication.md
observed adf50ac09749769d4e1db3b1185ca95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.618476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043496/publication.txt
observed f2f8af51a828985ed883071adfb18816...
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.