OpenTechnical

OT-2026-000082240

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000082240) never changes.

Identity and time

Publication numberOT-2026-000082240 · never reused
Internal UUID01a0ae97-4d94-7506-aa03-b4acca0382dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082240
StatusPUBLIC

Content hashes

Canonical texte2a330c1185bfb9f1ebf120443738a0fc15a55a44e8a0f64500771aca72bd25e
Markdown77c1d4b0b5f44c7591189cfe21fc53f84cde8b9db43cacccb433b6f8271b02c7
PDF
Publication page53a68ce3c46a8683baef466b3dc4bba30ae94e691c7820aabbb89969183b4156
Manifest726b7afb96d0e4f6f51283d46fbdb205915dd746af507e1f9b9a00c145880a70

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
SignatureYims/XflQVJJcaZSl2AIxrw+lQTFxeBUvGo5W3432nCgzWmDZoRmZo9/ZB+OQuh0sOLZnG5wgu52D/zUDGWDDQ==
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

2026-09-17T09:59:05.126037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082240
observed 53a68ce3c46a8683baef466b3dc4bba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:05.109344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082240/manifest.json
observed 726b7afb96d0e4f6f51283d46fbdb205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:05.092560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082240/publication.md
observed 77c1d4b0b5f44c7591189cfe21fc53f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:05.074879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082240/publication.txt
observed e2a330c1185bfb9f1ebf120443738a0f...
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.