OpenTechnical

OT-2026-000031736

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000031736) never changes.

Identity and time

Publication numberOT-2026-000031736 · never reused
Internal UUID01a0ae74-bad0-7458-9e30-3b2d84639298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031736
StatusPUBLIC

Content hashes

Canonical text726ade81237a93f710a347880ff43c1ab4a2fe27d49c5ebb7d28d2085bfac835
Markdownaff67a8aa1b666ece27e5ab243bb109d42415a9a3f406a999b7b8f7af6b7a070
PDF
Publication pagead8f07c37b81bb866a884e9bf1ec28bd1c25024a7faf3303afa8907d41c30b84
Manifest2d6f562be79b9a5d8404cc68401543eb4b8c0cb8f00eed6af4080fe665c58f29

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
SignatureoOQb347XlPfxRviFOf5CHh1Hz0hyuioOvVgWKv05CQpZCFilGYOLgGp/OSlmWEfHnPAJ6kGqLtvPlH+XiB5ICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:51.082876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031736
observed ad8f07c37b81bb866a884e9bf1ec28bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.066683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031736/manifest.json
observed 2d6f562be79b9a5d8404cc68401543eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.050975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031736/publication.md
observed aff67a8aa1b666ece27e5ab243bb109d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.033518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031736/publication.txt
observed 726ade81237a93f710a347880ff43c1a...
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.