OpenTechnical

OT-2026-000075429

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000075429) never changes.

Identity and time

Publication numberOT-2026-000075429 · never reused
Internal UUID01a0ae93-f201-73bb-b858-597136bc88f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075429
StatusPUBLIC

Content hashes

Canonical textbd5880a4acdfb4f282c1e97837215169626a7c093cab9bbe74993b9ec4ad58e4
Markdown3a3eee7a3c324eee000e3f5e589d4b6fe315de50c657b8960771ebe05ee120cb
PDF
Publication page549e6fa43c908ed10fb857ea54af2a163bc30d553cef71750b98b4229389f553
Manifeste57a423602310029615b1f03d36cff5600cab40f9021f9669c201181ebbff49e

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
SignatureZMXFZUlRi07H6q5z1VmjZ4ZyB4KbOMjbux9u5Z0dfOMQUCPMWnPICsZAWth4R4fhzKF/RiUXyEW04ooqeatuBQ==
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

2026-09-17T10:17:36.304475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075429
observed 549e6fa43c908ed10fb857ea54af2a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.284901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075429/manifest.json
observed e57a423602310029615b1f03d36cff56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.266141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075429/publication.md
observed 3a3eee7a3c324eee000e3f5e589d4b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.247509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075429/publication.txt
observed bd5880a4acdfb4f282c1e97837215169...
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.