OpenTechnical

OT-2026-000076069

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000076069) never changes.

Identity and time

Publication numberOT-2026-000076069 · never reused
Internal UUID01a0ae94-6a6e-7250-ba52-7b28867be4d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076069
StatusPUBLIC

Content hashes

Canonical text6f3352112c74625d9f046e713b495338aa1e13182d720d65ce2bff2fab9dbd48
Markdown642c4239579a1a7dd25d3e71961f6eaffe82cafbec3700fc49d84ced5185a705
PDF
Publication page7e393645bc086b769e349ca6a3777f39c0054b23d36b4ac8167114ef968dbaa4
Manifest19e2e27d73087a7146f3cbd9fd32688bd6e608d6cbf1b5510866087dd0850f65

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
Signature5ZdMtoWcaSF3e7TS67fwNw1ZfzPTQ49bL/l5fsznp1Eub9795mbSzfXPIgG8g8C68A8TbdhhUW6bdcXMJ5KoDg==
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

2026-09-17T10:10:50.502354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076069
observed 7e393645bc086b769e349ca6a3777f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.483109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076069/manifest.json
observed 19e2e27d73087a7146f3cbd9fd32688b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.465246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076069/publication.md
observed 642c4239579a1a7dd25d3e71961f6eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.446436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076069/publication.txt
observed 6f3352112c74625d9f046e713b495338...
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.