OpenTechnical

OT-2026-000084239

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000084239) never changes.

Identity and time

Publication numberOT-2026-000084239 · never reused
Internal UUID01a0ae98-5b60-71d8-a37b-f57d4b64296d · 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-2026-000084239
StatusPUBLIC

Content hashes

Canonical texta9e408ea44654bdb3781af9125b55a341e3929d689ab86dcf6d69ac4d714d18a
Markdown19cd9321f81108694389742ff548664ff3f73baea0676610eec168645d2c436e
PDF
Publication pagebde00359ae3e7b6e053976d1516ba53c679814b8a0517bf2b428d4e8dee6d7bb
Manifest47af9d635613ecc2a7ab373fd5b0231372efd2c3b53f84eaec097ef59aee1f2e

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
SignatureaKRiOmXwhAz40ABgg9+xqxkrVCEv/aZgLjPL4AfiEHrsoF1dsMjMM0hRPXoR/oO3s2y2osXCDFAXlWr6l4g7AA==
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

2026-09-17T09:56:02.211209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084239
observed bde00359ae3e7b6e053976d1516ba53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.194029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084239/manifest.json
observed 47af9d635613ecc2a7ab373fd5b02313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.176622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084239/publication.md
observed 19cd9321f81108694389742ff548664f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.158979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084239/publication.txt
observed a9e408ea44654bdb3781af9125b55a34...
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.