OpenTechnical

OT-2026-000081341

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000081341) never changes.

Identity and time

Publication numberOT-2026-000081341 · never reused
Internal UUID01a0ae96-f374-7fa1-b1e1-32baba711b67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081341
StatusPUBLIC

Content hashes

Canonical textc2ff56aff0f35ef8cb0f591e8d70a143c84b928a01239ef41fdfb3a854d388e2
Markdown3ae54d5a01cfa3c7ce3208c1d8fb6414c2a4a87ac7882e213c0f37738a633bec
PDF
Publication page257eeeca2b29ecc1eb37d144ebca9808a93519f607a78a7531ce4609e1c8d1b1
Manifest6292bd8455b12050a547c0d59ddd5193428604317e62fb79e739ba07fb2dc0b5

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
Signature4ocW6qDTwpFEx+VxelHXNsxLneY+Jj5gy1o2pwDxrrC5gkG0QydkAuySizs4yk05MafiYBH+jFSXQTNOk/OyCg==
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

2026-09-17T10:01:28.002481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081341
observed 257eeeca2b29ecc1eb37d144ebca9808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.981854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081341/manifest.json
observed 6292bd8455b12050a547c0d59ddd5193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.962654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081341/publication.md
observed 3ae54d5a01cfa3c7ce3208c1d8fb6414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.944233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081341/publication.txt
observed c2ff56aff0f35ef8cb0f591e8d70a143...
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.