OpenTechnical

OT-2026-000071085

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000071085) never changes.

Identity and time

Publication numberOT-2026-000071085 · never reused
Internal UUID01a0ae91-8c2f-748b-bb8f-2b6d6de919d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071085
StatusPUBLIC

Content hashes

Canonical textc08c8526af58124853108622df91e68af930b123006bafe57e4ef8175370f71c
Markdown807047cccc8fa8c5c96433b6e68553efb433b278ccc3b43882f6a9e14c1c69db
PDF
Publication page716de30f240e910fa1b618446c568aab35e4338bfabe4521126a4cc4277ed2cf
Manifest4ac2b61bef7d861f95d929d7bfa3107da6e7bb38a543d11f34dddce06e50ce3d

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
SignatureYANqWKSg0cOYVAliZ0M7F3DG5q1X4neZL9RolM/L7Ndf9/0IOTLQBw3m0EJQ6GvHCd+McaFk6huWR2nQjDL4Dg==
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

2026-09-17T10:25:56.840553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071085
observed 716de30f240e910fa1b618446c568aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.824862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071085/manifest.json
observed 4ac2b61bef7d861f95d929d7bfa3107d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.808933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071085/publication.md
observed 807047cccc8fa8c5c96433b6e68553ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.791998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071085/publication.txt
observed c08c8526af58124853108622df91e68a...
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.