OpenTechnical

OT-2026-000084530

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000084530) never changes.

Identity and time

Publication numberOT-2026-000084530 · never reused
Internal UUID01a0ae98-e25a-70af-a6f8-b3895931aba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084530
StatusPUBLIC

Content hashes

Canonical textec7dd5b3cc7166289f9cf377ab4715a75510c0373e14230cdfb074353324b3eb
Markdown2fae840fd0f75581fb0c2ccd84a56a6c0fc707d4847faea410244e3b1dc679ef
PDF
Publication pagec6520af4cde69fce11470c585642768160f99f64ee0d979c7996c31b8b530e2e
Manifeste12c0a88e46d171fe32f1dd76cf91b121e7337c82627e23888700d7cb1e2d664

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
SignatureZzdQ42Lqi57jyjfFhJNdNVpcv8WRmcbIhvkCsd4eYWvcI8cyXIvh3J9mNvfyqrYXap92Jy3g56fJ1biTw+moAA==
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

2026-09-17T09:55:24.821371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084530
observed c6520af4cde69fce11470c5856427681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.800649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084530/manifest.json
observed e12c0a88e46d171fe32f1dd76cf91b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.781692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084530/publication.md
observed 2fae840fd0f75581fb0c2ccd84a56a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.760600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084530/publication.txt
observed ec7dd5b3cc7166289f9cf377ab4715a7...
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.