OpenTechnical

OT-2026-000086426

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000086426) never changes.

Identity and time

Publication numberOT-2026-000086426 · never reused
Internal UUID01a0ae9a-2c97-7e14-9d0c-db738fd589ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086426
StatusPUBLIC

Content hashes

Canonical text679c7782e64bca586562a257a2e5d6b6fd2ff82bfaa751f9c3b080e8dd7ab267
Markdown5dd076381b292c003c5e963da79f24a1e7c39749e9d1d29187462abe69edcc72
PDF
Publication pageedacaa10e229b32732f1f54a7521e807cfe809f2f52d857bb769b89924dd150c
Manifest980ab4ba88c59bdc041e0ff7d5f6219a053ab345cd32f632028f891b0cdd39bc

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
SignaturepButWCKoDFea4DzbS7hRIJ135oaGrSpEAXCrx0vWCuBGBECF5Zc2PIL2X1QD6xzsRUqjp8fdj/y/KY3I+5k8DA==
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

2026-09-17T09:52:13.324995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086426
observed edacaa10e229b32732f1f54a7521e807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.308808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086426/manifest.json
observed 980ab4ba88c59bdc041e0ff7d5f6219a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.292127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086426/publication.md
observed 5dd076381b292c003c5e963da79f24a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.274814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086426/publication.txt
observed 679c7782e64bca586562a257a2e5d6b6...
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.