OpenTechnical

OT-2026-000076517

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076517) never changes.

Identity and time

Publication numberOT-2026-000076517 · never reused
Internal UUID01a0ae94-6a71-7b08-bcee-983b9de91d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076517
StatusPUBLIC

Content hashes

Canonical textc9489ab502fdc46896eb8022952bf6bc9ff9548a26289112eeb723abc548c6f3
Markdown0ee0cb1c0597b8e68605545e68e5813827f9125995c573143e0b553df61f31d7
PDF
Publication page4b840bcf1015ce99795965ff5af38e6d84c41321cd85a4e0960ad4ae529a534a
Manifest824e391b72afb8882886cbbf08c2006c512b50ffabdd499914749e1a706fdb17

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
SignaturejpBP7HYKT90ju5d351LYyz9Zk/T6fd0JbtaCwtrZAFe9+3RSE/HFtu3ncnPV+Bj8y948xha41P44x4dH68nMBw==
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

2026-09-17T10:12:50.234342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076517
observed 4b840bcf1015ce99795965ff5af38e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.216097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076517/manifest.json
observed 824e391b72afb8882886cbbf08c2006c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.196767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076517/publication.md
observed 0ee0cb1c0597b8e68605545e68e58138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.807532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076517/publication.txt
observed c9489ab502fdc46896eb8022952bf6bc...
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.