OpenTechnical

OT-2026-000079026

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000079026) never changes.

Identity and time

Publication numberOT-2026-000079026 · never reused
Internal UUID01a0ae95-ccbe-7c76-b691-530a4cdd3f9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079026
StatusPUBLIC

Content hashes

Canonical text535ce8e63d1bcbdf7b0ab4dbd2df06913c8acbdb37a82014fa9421131c9a188d
Markdowndb82d53be9f6a71c12150dab3827241338c1ff06c24ff297dddce12db9d107a0
PDF
Publication pagefebec7c86daca6ab798945faaaf6cacda8932c0cf97ab0090a42989d060daa25
Manifestc8d9dcaa9266e910fdce61d12ee4fbf9bd3d94539292722b53e8046d698e07ce

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
Signature6WxywBfXZZRcNmqGPgokq779nI+lJKGuh3TbKvB/YIA0I8Ra35N4mJ4if1QEXs/od+Ia1JciiewxE+OcOAG5DA==
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

2026-09-17T10:05:51.881251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079026
observed febec7c86daca6ab798945faaaf6cacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.862159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079026/manifest.json
observed c8d9dcaa9266e910fdce61d12ee4fbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.845449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079026/publication.md
observed db82d53be9f6a71c12150dab38272413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.826153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079026/publication.txt
observed 535ce8e63d1bcbdf7b0ab4dbd2df0691...
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.