OpenTechnical

OT-2026-000102080

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000102080) never changes.

Identity and time

Publication numberOT-2026-000102080 · never reused
Internal UUID01a0aea4-50f2-74f0-94ba-81d9e7f5639e · 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-2026-000102080
StatusPUBLIC

Content hashes

Canonical textac115347faecb3163e58ce1a4ba19bea60c013eccfa39dd5d0fc141b14c61031
Markdownff58be2ef51a11716ea912b29434551e3049d4a397d899cf61a14bdd43718a3c
PDF
Publication page18f5bddfe4569ebf8d9e6b82d6020b7c0ed97e0057b40732ec08359b11572a79
Manifest8751f67f0b1f7f2ed4caa53373480dd90f2e5d401fe7bcda496fad3975761933

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
SignaturefBdGfgngWPnMALCDkdv5Th6BhqREvae4CcWQuHa5kZi6LYelhOzlJpWH5oT6nGU2NecVFYC1OCen9Td7Qh6LCQ==
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

2026-09-17T09:24:24.202929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102080
observed 18f5bddfe4569ebf8d9e6b82d6020b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.164721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102080/manifest.json
observed 8751f67f0b1f7f2ed4caa53373480dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.146486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102080/publication.md
observed ff58be2ef51a11716ea912b29434551e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.109388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102080/publication.txt
observed ac115347faecb3163e58ce1a4ba19bea...
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.