OpenTechnical

OT-2026-000103524

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000103524) never changes.

Identity and time

Publication numberOT-2026-000103524 · never reused
Internal UUID01a0aea4-e461-7b36-8d5a-25eddca4e1e1 · 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-2026-000103524
StatusPUBLIC

Content hashes

Canonical texte1aa5d7b09e8f78789792cfd69c8f823284576b5a1ea8f33355ee2d8440eb743
Markdown9c7ceca6923343cfe2ccf5c410bbd3e2c11e10f8e17fe95cffc09d281bd3037e
PDF
Publication page2f91276648f0e8f2badf517154f417819bfe4083fd7e5ba2c49f6a0ce3d79a4e
Manifest5d19c609062a402d7929c580f3675376e286e48f52bca9f4759e4cdcc9d9d059

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
Signatureu7STYrFDkIjsYd6lt+fM+SaH4aolVpV9X+pQZhXcBDwxO9FJ4bSwZTN7bmzHArD0F8kQOXe/fLC3U5O7glAkDw==
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

2026-09-17T09:22:17.804784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103524
observed 2f91276648f0e8f2badf517154f41781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.782297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103524/manifest.json
observed 5d19c609062a402d7929c580f3675376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.764707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103524/publication.md
observed 9c7ceca6923343cfe2ccf5c410bbd3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.666505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103524/publication.txt
observed e1aa5d7b09e8f78789792cfd69c8f823...
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.