OpenTechnical

OT-2026-000039752

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000039752) never changes.

Identity and time

Publication numberOT-2026-000039752 · never reused
Internal UUID01a0ae78-d8d5-7f65-b92b-15a693d5b610 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039752
StatusPUBLIC

Content hashes

Canonical text5dbc41219e50cfe1c9367f1557b24fb84d7cccc23e4e1e364ab7fdf6cc385cd6
Markdown29f142f8393900e2d016a348189e933662d60cb0037a2ba258aafb56966ac8ab
PDF
Publication pagedeb0324818972619033bfc746e5c439af6077ea842ba5f45e60cb6e2a09be7d0
Manifest419061aaf5837977f3130a6377d3677c171e5fd4f58a59cb46ff99f8c364d5bc

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
SignatureV4LO74NxO9U6QQftnzYo7tcqt1ItINwWcIx8wgKY/kK2XqqghT4mfysTjGjos2YUxqmjZzly0MKuOlejUNBZDQ==
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

2026-09-17T11:19:58.167009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039752
observed deb0324818972619033bfc746e5c439a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.150475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039752/manifest.json
observed 419061aaf5837977f3130a6377d3677c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.134141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039752/publication.md
observed 29f142f8393900e2d016a348189e9336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.117404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039752/publication.txt
observed 5dbc41219e50cfe1c9367f1557b24fb8...
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.