OpenTechnical

OT-2026-000103589

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000103589) never changes.

Identity and time

Publication numberOT-2026-000103589 · never reused
Internal UUID01a0aea4-e461-71eb-858f-2e337e67ae5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103589
StatusPUBLIC

Content hashes

Canonical text78c38d1a43ef0bb69e62f3f1f20cf4dbb96160e2ca0cac88c7c63384ece234d4
Markdowna6503f0cf4007a59e664cd83615f76a1bcd6af0449fa68384f3f8319cc683fee
PDF
Publication pagefedf03c5d60d0e6273eb7f49258bb196bef21edb05043b9a5d1bc7ebad4ebf61
Manifest2e977d4661deda15e6a336edc88bf3195f99f9f650dffbbcabd195637275b55f

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
Signaturexu41PB3QSt3enRINe7L1ywylcL5Cc8F/d+fXcLv/uckUnF3aB0dJGlkkvykrlu9HN6xKEY5qMFxU63i7J36/Cg==
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

2026-09-17T09:22:22.544154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103589
observed fedf03c5d60d0e6273eb7f49258bb196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.527470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103589/manifest.json
observed 2e977d4661deda15e6a336edc88bf319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.510139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103589/publication.md
observed a6503f0cf4007a59e664cd83615f76a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.492964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103589/publication.txt
observed 78c38d1a43ef0bb69e62f3f1f20cf4db...
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.