OpenTechnical

OT-2026-000084005

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000084005) never changes.

Identity and time

Publication numberOT-2026-000084005 · never reused
Internal UUID01a0ae98-5b5d-75d5-bd56-f28e37cd9ae0 · 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-2026-000084005
StatusPUBLIC

Content hashes

Canonical text92047eb18d98440515bc195ee690dcd350f5acef7a1a477e8f94676a8420d645
Markdown39da4480b4f48f3d6d691393deb31074da6dcf3f817f9428a5010d4397a82dec
PDF
Publication page692d6f2c63d7f653b29dbfaae7ed32a2a9fc2bd9900f7342b00e19e4f22d0e9b
Manifesta3cbb955a3fca9260e94864f09a197ea78bbcfe7957579f707e40f10701d71c0

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
SignatureDwWZDKlmsw2g5jiw9esAHoSpmVd061Xs+xtCXemTkBlF14RxKk7epTxb+5v0CCh/T+tp+Eab4qt656mS2TFaBw==
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

2026-09-17T09:55:43.326263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084005
observed 692d6f2c63d7f653b29dbfaae7ed32a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.309021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084005/manifest.json
observed a3cbb955a3fca9260e94864f09a197ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.292110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084005/publication.md
observed 39da4480b4f48f3d6d691393deb31074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.273928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084005/publication.txt
observed 92047eb18d98440515bc195ee690dcd3...
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.