OpenTechnical

OT-2026-000086190

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000086190) never changes.

Identity and time

Publication numberOT-2026-000086190 · never reused
Internal UUID01a0ae99-e82c-7c9e-8f89-d250504dff2c · 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-2026-000086190
StatusPUBLIC

Content hashes

Canonical text7ca73dfe86239e0e1fe0d7fc18c539cbfa8950b751b076bf9bb9dd53e97b5e55
Markdown023b2468b64d2190a6ac68d87e1949ce5534bd487cbc1b0ad1ec4e270d0b8005
PDF
Publication page8993320e191ca09f0412677ce7d4187e4c0574886dae6e08cb3aad97c5fcf8ae
Manifest94f79e7fa089416eda9a07ad3cd9ac7231cdcbf48f00b58082530fa662e627a2

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
SignatureWoImcjZ9DOZPqJ6J2xOZl3aHA4/AOsTa+Vt04shTAb+/VWmmj/5Sahjkzz6EqfCQIAFOwfaMH3VZwItelNYoAg==
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

2026-09-17T09:53:52.121584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086190
observed 8993320e191ca09f0412677ce7d4187e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.105733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086190/manifest.json
observed 94f79e7fa089416eda9a07ad3cd9ac72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.088647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086190/publication.md
observed 023b2468b64d2190a6ac68d87e1949ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.071410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086190/publication.txt
observed 7ca73dfe86239e0e1fe0d7fc18c539cb...
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.