OpenTechnical

OT-2026-000043344

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000043344) never changes.

Identity and time

Publication numberOT-2026-000043344 · never reused
Internal UUID01a0ae7b-327e-75f3-8ed4-a4586eb9e500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043344
StatusPUBLIC

Content hashes

Canonical text47b8513909d228e4f1edbae6f070d8e8223c521b3e0c895fa174e64182efbd15
Markdown0aaad2f7daa3f808d3c83c92be33e7b86b22cf4555d2614699d34ae45d274659
PDF
Publication pagebea69fb60f4a49331bdd60db58870edff4eeb0232e79ec1ac8ae6a9383c176d4
Manifest377310b371032bf535e02159914d84be82f56d6aaf7bd5e664487e380379322e

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
SignatureSF/uBV8+t0EXIdxjYOwvB0UWjITe7sqXn9cmv+jgVG5XnET4J1VnBZ+BoFtlP6yq9IbARdaueB0K5PPC8xCqBQ==
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

2026-09-17T11:13:51.496639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043344
observed bea69fb60f4a49331bdd60db58870edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.479201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043344/manifest.json
observed 377310b371032bf535e02159914d84be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.460342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043344/publication.md
observed 0aaad2f7daa3f808d3c83c92be33e7b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.441166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043344/publication.txt
observed 47b8513909d228e4f1edbae6f070d8e8...
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.