OpenTechnical

OT-2026-000041537

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000041537) never changes.

Identity and time

Publication numberOT-2026-000041537 · never reused
Internal UUID01a0ae79-e89f-7b97-86d3-b88c1a1f7ba2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041537
StatusPUBLIC

Content hashes

Canonical textfb10653e40803c4ed2acf91aaa308ce32cfead6f6c944c6c75fc3d447cfc01fb
Markdown03290b9d7517615bb3637568e2c5a9ca008317f3af4fe704438174b71eaf1ae8
PDF
Publication pagea047211d2caf02cbc178fd1e534f6ed2dd4cb7943b8061e3654e67f1ca5c1536
Manifest697da1c604a888a99bec263e6d93be76cbfa73074bccbbba927270b2110b43bd

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
SignaturewtZEazje4r7IwSc5e7fZZ8M10j+nNfRsDFaOplH+zxQg0C/CLty9NORugdk4EMiR7Z2F9CtmNcsu+T8HrO+ABg==
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

2026-09-17T11:16:18.702313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041537
observed a047211d2caf02cbc178fd1e534f6ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.685535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041537/manifest.json
observed 697da1c604a888a99bec263e6d93be76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.668195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041537/publication.md
observed 03290b9d7517615bb3637568e2c5a9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.651622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041537/publication.txt
observed fb10653e40803c4ed2acf91aaa308ce3...
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.