OpenTechnical

OT-2026-000086919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000086919) never changes.

Identity and time

Publication numberOT-2026-000086919 · never reused
Internal UUID01a0ae9a-80a5-75fa-8bba-e6b5c228bc3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086919
StatusPUBLIC

Content hashes

Canonical textc6055831cb290ba1778bd167d4a2f59ff9f5903cdd6c3a01c382c7362fba0dbf
Markdown8463771ece8d508831ce3308bfd7ec88d903856ff27c0f6626922862fa99ea14
PDF
Publication page949ab881222a5c2dda08d93af241d474a874942bc5b8247270aa94187e405d31
Manifest951b443bf041e65ffbcd72a4730de53aff76b8f7c124d1ddfb9af2e0fecb935f

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
SignaturewG4UGHNJ+LdN9dtJiuD9lmi0cekjX1Uoxpy0NPKM/JXovCZ31IF3dLnDT31umoPXBNCt25H9qWoe6jfl8AsoDQ==
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

2026-09-17T09:51:46.476096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086919
observed 949ab881222a5c2dda08d93af241d474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.458777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086919/manifest.json
observed 951b443bf041e65ffbcd72a4730de53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.440866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086919/publication.md
observed 8463771ece8d508831ce3308bfd7ec88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.424103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086919/publication.txt
observed c6055831cb290ba1778bd167d4a2f59f...
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.