OpenTechnical

OT-2026-000101453

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000101453) never changes.

Identity and time

Publication numberOT-2026-000101453 · never reused
Internal UUID01a0aea4-0e14-7ab5-a4e7-20beae345954 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101453
StatusPUBLIC

Content hashes

Canonical text2484533f3907f12169c0656e1bb693c11551cd230904020f9bb4f445bb909901
Markdownd2eb81d661eeebac077c861846b910d0104993d7f25d335fee145a86b9522d95
PDF
Publication page7981bfd6c2e8981c2b5f645699e77163071cc58b0631b356992b667257949ca6
Manifestb37fa8d9e6a151a28933873d021bb548afb4283a1ef39fa30aa38cd1af2d2051

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
SignatureHLyNr50ipzsPBYOemfv1HG2vkGCUYr+RWRXQaRspD2krZI16+gNr3qZWmGgvjee/YA8TwHcNIyU+eNxamDsYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:01.464114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101453
observed 7981bfd6c2e8981c2b5f645699e77163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.446206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101453/manifest.json
observed b37fa8d9e6a151a28933873d021bb548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.427308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101453/publication.md
observed d2eb81d661eeebac077c861846b910d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.407466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101453/publication.txt
observed 2484533f3907f12169c0656e1bb693c1...
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.