OpenTechnical

OT-2026-000084227

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084227) never changes.

Identity and time

Publication numberOT-2026-000084227 · never reused
Internal UUID01a0ae98-5b60-790d-995e-ee7550d494d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084227
StatusPUBLIC

Content hashes

Canonical text03d46cb5dfcc9f250b5d47d3b0011b6a60aa33e8085268658435fd773be5e8ec
Markdown6e7971c83f15be6351ba9bc585919f09b1b4f1fea868f66416d94d3c08678573
PDF
Publication page6e853431c1977346c1c686d8ccb94e1df104cc41ba11f477dc342bf3c98c211f
Manifestca6b77e7d51773c8e76e55442859c800a41aba000ce21ade4fee78dfebd31b17

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
SignatureG2dSbwEzOmtCGUHGBu3DzhqiqKnPuQ3pi/W+uO4FnL00Nw8ExD1skfWvp7+bxDyx5C2xUudOflqQfVig5eF8Ag==
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

2026-09-17T09:56:01.175470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084227
observed 6e853431c1977346c1c686d8ccb94e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.158258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084227/manifest.json
observed ca6b77e7d51773c8e76e55442859c800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.140939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084227/publication.md
observed 6e7971c83f15be6351ba9bc585919f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.120481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084227/publication.txt
observed 03d46cb5dfcc9f250b5d47d3b0011b6a...
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.