OpenTechnical

OT-2026-000008280

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, sustained blow-off before 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-2026-000008280) never changes.

Identity and time

Publication numberOT-2026-000008280 · never reused
Internal UUID01a0ae6a-908e-7ba8-a613-50eda4b94f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008280
StatusPUBLIC

Content hashes

Canonical text7cdc5c55c9bff00f8299912892170f51e68f68b8f6aad328fca5d24bb4cca860
Markdowne8187bd1e69e2e01851e1051fa8f584041a602b383c6d4e755801e9c0ee79b40
PDF
Publication page32f474c8c9df656165bc09d5adb4e9364c34c1adbe87bc226c730c478b760d6a
Manifesta39d13513064b518299c633872e1484a762b57420a479941dcea2c989f09c392

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
SignatureJ80qot+4oTW5fGIxm29yj4Y1ycVFLJsBSmRKkLL+bkyTj2pcU74LQnu9ulsYMBPkFlSK/IxS1uXWmELoxNS6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:43.307338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008280
observed 32f474c8c9df656165bc09d5adb4e936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.289796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008280/manifest.json
observed a39d13513064b518299c633872e1484a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.272408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008280/publication.md
observed e8187bd1e69e2e01851e1051fa8f5840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.252440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008280/publication.txt
observed 7cdc5c55c9bff00f8299912892170f51...
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.