OpenTechnical

OT-2026-000087511

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087511) never changes.

Identity and time

Publication numberOT-2026-000087511 · never reused
Internal UUID01a0ae9a-cd51-79aa-b3f4-849040b54ff0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087511
StatusPUBLIC

Content hashes

Canonical text37b7a99dc3f60236a97488554cb865a37d5a28026ae6beb7d292e6704f555466
Markdown5c535b2e328a66edaa8307779221262544575bbfd2cfe1a301c9f727a0101910
PDF
Publication page5fb443318ae460fe41707d8a99a7d6981876f7674a6fa182bfddbab0a5f07e87
Manifest6a4d9557ae358d9e8f266b56c7b3c738f5a7eefc0b27c0c880cdee020ac8ec14

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
Signature54s1cMKn+UbpAQLaRtbp9ZpMhLXikqWyR58pHTK7WPiRm3ZmIQWBw66z7L772lcLTMrFtXRHh77MU2MmpCmKDQ==
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

2026-09-17T09:50:50.749610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087511
observed 5fb443318ae460fe41707d8a99a7d698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.731566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087511/manifest.json
observed 6a4d9557ae358d9e8f266b56c7b3c738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.713733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087511/publication.md
observed 5c535b2e328a66edaa83077792212625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.694514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087511/publication.txt
observed 37b7a99dc3f60236a97488554cb865a3...
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.