OpenTechnical

OT-2026-000084510

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000084510) never changes.

Identity and time

Publication numberOT-2026-000084510 · never reused
Internal UUID01a0ae98-e25a-7a65-8211-724f38af10ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084510
StatusPUBLIC

Content hashes

Canonical textb9484cc28909c4c779f5e96817ec314b004a82c8c0084ee8cc99ec89980d6622
Markdowne1dc651e76250d2480af4661f6a8bba220c6baed086d16174e50aabd8a5c4734
PDF
Publication pagece04d09f62b3c647fbffa02aac76db9026477ae0545b74ab22c5ba3c78dd452a
Manifest114d806a1ec41db670e876669b3c40317bc3d310c359a7a5c6d164545d053e95

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
Signature/eMzrGT3vmOa5qjDl2JUuAblcohQkTVpGwBR5fIA79VYyH5tQrCeIDlVS0CuCRVL4S6fHH2XwaYCCyE+1DeBDg==
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

2026-09-17T09:55:23.234041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084510
observed ce04d09f62b3c647fbffa02aac76db90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.215706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084510/manifest.json
observed 114d806a1ec41db670e876669b3c4031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.197136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084510/publication.md
observed e1dc651e76250d2480af4661f6a8bba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.179643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084510/publication.txt
observed b9484cc28909c4c779f5e96817ec314b...
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.