OpenTechnical

OT-2026-000012136

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000012136) never changes.

Identity and time

Publication numberOT-2026-000012136 · never reused
Internal UUID01a0ae6d-39f4-757f-9a64-04bfa5d55780 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012136
StatusPUBLIC

Content hashes

Canonical text5e4deead1a545ca2dda2c321b7468d97c419b668935cc88558e35225e6c030b5
Markdown4129b604461e2f4e8cfe606fa0fd6e3c6d15405821612557e6c55e3b187017eb
PDF
Publication pageaa7af7114e341cfc4d623e939425f6552c27e3703a0791b03474eedca8e9c74d
Manifest5bfbf9fb89bcfbb6ff5389b807063038031de7d44aa44e1de5e39148b72b3c35

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
SignaturebV97QFTA+80AKt+XnUl0aswB3iFdF+s/6aB6XhruSVO82m4TUlOXL6Asz6qFb8OUAwgG84sRRUYa69AK0rhKDA==
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

2026-09-17T12:10:57.482055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012136
observed aa7af7114e341cfc4d623e939425f655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.462644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012136/manifest.json
observed 5bfbf9fb89bcfbb6ff5389b807063038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.442439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012136/publication.md
observed 4129b604461e2f4e8cfe606fa0fd6e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.355712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012136/publication.txt
observed 5e4deead1a545ca2dda2c321b7468d97...
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.