OpenTechnical

OT-2026-000030907

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000030907) never changes.

Identity and time

Publication numberOT-2026-000030907 · never reused
Internal UUID01a0ae74-3fb6-7ea1-9a9d-ff2ae0b427ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030907
StatusPUBLIC

Content hashes

Canonical text8969b8ad8760725127991f4474c6f593a5d5746f9e7edc2c4603ea8cff3fc866
Markdown9d643d454a1d8bc48f3bdf92ffbe5bf5c616e31223b9b7b8e3dce222b29ad347
PDF
Publication page30b48d1ef77cf04d083256819cc3d8324028287f17563f024f0040f2e1e1f7b6
Manifest1c3711f0830f1dc47c120f0dd594fa1f35dbd7de2eaae75f2d02c44b556761d7

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
SignaturePfrr/lEtggM3YlruKXoqU7u5r5/2yjx7m6UPfAz9UIl8/BlWtH0XUYu7m6Tu8YCtegJlWe70egRpZgAHRBF8Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:53.903369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030907
observed 30b48d1ef77cf04d083256819cc3d832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.885455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030907/manifest.json
observed 1c3711f0830f1dc47c120f0dd594fa1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.849640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030907/publication.md
observed 9d643d454a1d8bc48f3bdf92ffbe5bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.831687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030907/publication.txt
observed 8969b8ad8760725127991f4474c6f593...
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.