OpenTechnical

OT-2026-000013872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000013872) never changes.

Identity and time

Publication numberOT-2026-000013872 · never reused
Internal UUID01a0ae6d-8de9-7535-b00d-0d2a34f8fe81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013872
StatusPUBLIC

Content hashes

Canonical texte24b60b22eb1037cd73fd53bf47db0c7c3dfaa8a397f5c85bd230fc39dbb8c97
Markdown5a8f8592ff664fa360eacc28660b73003404ba02d1f4bc6ad744e781be638737
PDF
Publication pagef348bdaf8b3166da217d5b5b219cd89c020278dccf80c464d9f07adf5d476ade
Manifest1fbff966ca3e06e92c2e8ed058391ceed442c108ed75e05398e00d29c5d2cdc2

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
Signature2bYPSX8yJSiweWcVSOYwgdHj5vIZKil72pzfUBK3dZWPXWpMlaiF+YEUgMKpG8YAeTMFzbWKNWhEY68OawKRBA==
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

2026-09-17T12:08:59.288578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013872
observed f348bdaf8b3166da217d5b5b219cd89c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.269585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013872/manifest.json
observed 1fbff966ca3e06e92c2e8ed058391cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.249413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013872/publication.md
observed 5a8f8592ff664fa360eacc28660b7300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.230361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013872/publication.txt
observed e24b60b22eb1037cd73fd53bf47db0c7...
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.