OpenTechnical

OT-2026-000086203

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000086203) never changes.

Identity and time

Publication numberOT-2026-000086203 · never reused
Internal UUID01a0ae99-e82c-7b93-ba12-5c2ba20d21b0 · 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-2026-000086203
StatusPUBLIC

Content hashes

Canonical text135e2e60ae7f7d1e805150a0c4e5faf277d58f2789586c782416107626e27066
Markdownf1611d3662eef1b9a6dc66af048f6ca13f5e536f6a4461107dcff172df2082f1
PDF
Publication pagedd638f45d17219a52c18c6794b1957e8139059a4345cd5e0dfa8931d065cc1f4
Manifestea050e4268a379402318e483208b6174fc135949143d7a6aceb52a96342bef53

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
Signature9SO1flb3jRBiaMgFTakMFh9bzVVe943FJ+rtfwXEX7MeD8HE+cGdbL8WZWP50r7fzetr8zEOjlQUwJnlyO32AQ==
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

2026-09-17T09:53:53.044230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086203
observed dd638f45d17219a52c18c6794b1957e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.027967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086203/manifest.json
observed ea050e4268a379402318e483208b6174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.010974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086203/publication.md
observed f1611d3662eef1b9a6dc66af048f6ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.993861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086203/publication.txt
observed 135e2e60ae7f7d1e805150a0c4e5faf2...
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.