OpenTechnical

OT-2026-000011629

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000011629) never changes.

Identity and time

Publication numberOT-2026-000011629 · never reused
Internal UUID01a0ae6d-193f-7482-8fa0-a9f98c1d1d8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011629
StatusPUBLIC

Content hashes

Canonical text05a29b8141c312d013232d7bf012f58fa4d8f6a6ba73fb3ad89ac3b31004eff9
Markdown19bf4e95c89032518e606094e9e764a3bbf26ebcbed8b85b54e88a38140ea3fb
PDF
Publication page5cfb34342c53e22aa3ed2600212dd1346de26e0bfd1c6b7d53efaea36a9979b0
Manifest6f0e704af3e0921576e66fe0b992fc13db01f1c7aa433408a6f067053ca1905d

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
SignatureeZbBqbW8vI3CP7AyozQ1KHGwlXBowrSw2otc/58qzwZY6Zvhi+sYRYWU6W5yYi5KW8R5PBIXYsrCazcpkRtQBg==
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

2026-09-17T12:12:12.802465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011629
observed 5cfb34342c53e22aa3ed2600212dd134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.783847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011629/manifest.json
observed 6f0e704af3e0921576e66fe0b992fc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.764808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011629/publication.md
observed 19bf4e95c89032518e606094e9e764a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.745388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011629/publication.txt
observed 05a29b8141c312d013232d7bf012f58f...
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.