OpenTechnical

OT-2026-000086215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, sustained 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-2026-000086215) never changes.

Identity and time

Publication numberOT-2026-000086215 · never reused
Internal UUID01a0ae99-e82c-776a-a108-af81c3daebbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086215
StatusPUBLIC

Content hashes

Canonical texta87fedaf4a5eb54b74d01fa3fb8f197e34acf3f00c4248f81e805c9fb6bff1c8
Markdown9b91a55a294b2609431ac05ac901238d882a7e7b2b74cb699e979f4e3b00cd25
PDF
Publication pageed158304a66ce062c24636426afef0b53facf56257da73a15124b9e33c90f522
Manifest505c91f7542704a57464c9446c02a3fc7ee36ebb917b3586670b19f64d9f4c5b

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
SignatureVZkynyPaePEQEoHwU9sWTRmckS1cW1cmtvXE6b8Ec9+qBV7avd2WudGy2YkgDjYAwlawpcBRflQIVkQl+KmJAg==
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

2026-09-17T09:53:53.924663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086215
observed ed158304a66ce062c24636426afef0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.907775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086215/manifest.json
observed 505c91f7542704a57464c9446c02a3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.890278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086215/publication.md
observed 9b91a55a294b2609431ac05ac901238d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.872744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086215/publication.txt
observed a87fedaf4a5eb54b74d01fa3fb8f197e...
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.