OpenTechnical

OT-2026-000069451

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069451) never changes.

Identity and time

Publication numberOT-2026-000069451 · never reused
Internal UUID01a0ae90-b52a-7c56-a527-212b48d433f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069451
StatusPUBLIC

Content hashes

Canonical text4b01c196dbadd83b68770a8698c3c776a87710d085fb660f5f245614cc636034
Markdown5a5e119184713e2534370359cd96f7b145f8cc305be41a4a3f955398588a0d70
PDF
Publication page62f9147c478685219e1d5189774828cce0a5f27457e86cf30a36af420b628032
Manifest1e161f2caf5fd19cc5b550ee112a4d367ca1cc5b6add5950ce0071232843fdea

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
Signature5CpMnKPKdGtiuwcKN05x1r/tWdC8CjxrGBFffsp3Vplr6MYlBg06uW1W37NnQytEwW62xQgEBNqNPzI6wxhRBw==
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

2026-09-17T10:30:31.296120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451
observed 62f9147c478685219e1d5189774828cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.277381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451/manifest.json
observed 1e161f2caf5fd19cc5b550ee112a4d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.258041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451/publication.md
observed 5a5e119184713e2534370359cd96f7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.240215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451/publication.txt
observed 4b01c196dbadd83b68770a8698c3c776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.191390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451
observed 62f9147c478685219e1d5189774828cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.172981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451/manifest.json
observed 1e161f2caf5fd19cc5b550ee112a4d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.155086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451/publication.md
observed 5a5e119184713e2534370359cd96f7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.137517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069451/publication.txt
observed 4b01c196dbadd83b68770a8698c3c776...
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.