OpenTechnical

OT-2026-000102179

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102179) never changes.

Identity and time

Publication numberOT-2026-000102179 · never reused
Internal UUID01a0aea4-50f3-712d-a7a2-1fe0d932382c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102179
StatusPUBLIC

Content hashes

Canonical text5abf99fc8faf8a8e33ab156689ddaa04a296a35a1a1302afb3b019d71f335b66
Markdown9dbb477152da1b86f1ec8988758bb0f916c54c256cbaf304a79f0e488ca0c6f7
PDF
Publication pageba75784dcb504953cd7be592aef4e8f3599a9f0b3ec34bf149a0e0e465276429
Manifest4c9c563d8e9c90a969c712ad74eb2c4dc1ead8387bd88d02197a95970835842e

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
Signaturexc5mfpDmzD2A7eZadNCtLOoBnW6LLNIZMllOl6AR610zNC+Wms9zEcAAM5kmFJX1hoL8VxLhoe7CQgFBNIVaAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:21.087428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102179
observed ba75784dcb504953cd7be592aef4e8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.068048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102179/manifest.json
observed 4c9c563d8e9c90a969c712ad74eb2c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.049195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102179/publication.md
observed 9dbb477152da1b86f1ec8988758bb0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.029182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102179/publication.txt
observed 5abf99fc8faf8a8e33ab156689ddaa04...
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.