OpenTechnical

OT-2026-000044624

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed blow-off after set-down

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-2026-000044624) never changes.

Identity and time

Publication numberOT-2026-000044624 · never reused
Internal UUID01a0ae7c-39d9-7f7c-913a-5adf0d0e07af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044624
StatusPUBLIC

Content hashes

Canonical textebbba397a80b3f84fd7001170d56a0ae2720d7ed2d5e12a1d86be527f1c7c44c
Markdown3b19345a4c97eebdb4419a3982f5794adb1718ceb1742b139d7962309ad04e77
PDF
Publication pagea0134d96410daa53776f7ba7dc372ce22d77b0c9d8af6d986ddbcb42ad801bbc
Manifest572eac1d8d7b902ee7c7a8bfe0f5c85645943964179ec276d5c92e120dbffa6b

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
Signature2E4crzktp0tc9S73Gtkr8+NIo7taxUGI0TgEyqnRE3gNj/7QdPCJaQhM1hFHDA+r0wJgxSLs+gJG/h43NLpfAw==
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

2026-09-17T11:11:51.690516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044624
observed a0134d96410daa53776f7ba7dc372ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.669828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044624/manifest.json
observed 572eac1d8d7b902ee7c7a8bfe0f5c856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.649721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044624/publication.md
observed 3b19345a4c97eebdb4419a3982f5794a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.629970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044624/publication.txt
observed ebbba397a80b3f84fd7001170d56a0ae...
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.