OpenTechnical

OT-2026-000084359

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000084359) never changes.

Identity and time

Publication numberOT-2026-000084359 · never reused
Internal UUID01a0ae98-5b62-7f16-ab41-21e86b85a288 · 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-2026-000084359
StatusPUBLIC

Content hashes

Canonical text310a8689ab6f9478c62bdcfda8ec34aea0e8bf095fe53f914bbb0822d7a65d3f
Markdown887c1fb413467883f07d3c7c6343b944785d60ff35737f9c43576641837c2f37
PDF
Publication page5e85c437d88aa012ef4b0903214f0db1e0439fda12e4f9d90fdebdf7b11d0496
Manifest33df77727eafeba80ad3dc7a06d7633a9025f22005cb8a91cbfb045f9e9e2695

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
SignaturebOSF6gyxtQI2odhNVNxmu+OWB/Oj4zhts9AHSNRmxBpamie0d5iEEJKh4uwVer5uxZktGRW6TA1JdZTw3r0AAw==
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

2026-09-17T09:56:17.623570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084359
observed 5e85c437d88aa012ef4b0903214f0db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.606997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084359/manifest.json
observed 33df77727eafeba80ad3dc7a06d7633a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.589715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084359/publication.md
observed 887c1fb413467883f07d3c7c6343b944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.570573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084359/publication.txt
observed 310a8689ab6f9478c62bdcfda8ec34ae...
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.