OpenTechnical

OT-2026-000089989

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089989) never changes.

Identity and time

Publication numberOT-2026-000089989 · never reused
Internal UUID01a0ae9c-428e-7259-b58b-e21df6463e9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089989
StatusPUBLIC

Content hashes

Canonical textbf6157189e53b068ee302432b78e8e590fe5f4691cf4b364aef5dd3d2339ef02
Markdown700602b2856a069991863ce38af5f25f2691c1e14d2af86856f374e60b43311b
PDF
Publication page44fa2ea4ad1b1979cfd64d1b0cff017a52bf1686b9d9d0742a36079a6aac2107
Manifest7d3c4a2cd8f113b31de209dceaade4c9e92c724baef2b302612b82a528860520

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
SignatureFEZBail9bbgrIWazU70hLD303Cw/Oo/3eI4oXBfswlhvG2MAECW8jG6K78VpSfyANlMvXlslAmgQJmVvtYzlBQ==
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

2026-09-17T09:45:22.791840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089989
observed 44fa2ea4ad1b1979cfd64d1b0cff017a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.772789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089989/manifest.json
observed 7d3c4a2cd8f113b31de209dceaade4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.753353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089989/publication.md
observed 700602b2856a069991863ce38af5f25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.734110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089989/publication.txt
observed bf6157189e53b068ee302432b78e8e59...
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.