OpenTechnical

OT-2026-000086027

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000086027) never changes.

Identity and time

Publication numberOT-2026-000086027 · never reused
Internal UUID01a0ae99-e82b-76bb-b991-ed85915b9e5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086027
StatusPUBLIC

Content hashes

Canonical text93463a936cbaa42d2cfc3fbfdd045e870dcca96b231585a7e2e23cc90b9cfe09
Markdown73e63b021fe557c44b9bfe3046a52330abeb51214a4712bcb2c058ed682adb0e
PDF
Publication paged7042a5eb6aada8cb09edf760b0b2ae951739b9925a56c1263d642a9fd0d1d46
Manifest141af15644f0a86d57927e36a411b6460a0aebda4ceff0eee6028d6c5ba2d812

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
SignaturepeKm6cQIYASlpdsMsPBHxOJQK87JsS/KtfwrMaCFPXHHy/YsgxxexjrekrzbyNmnUcpZLO5PMtKo/LFdhqBiBg==
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

2026-09-17T09:53:01.131367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086027
observed d7042a5eb6aada8cb09edf760b0b2ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.113642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086027/manifest.json
observed 141af15644f0a86d57927e36a411b646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.095915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086027/publication.md
observed 73e63b021fe557c44b9bfe3046a52330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.077693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086027/publication.txt
observed 93463a936cbaa42d2cfc3fbfdd045e87...
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.