OpenTechnical

OT-2026-000080581

Publication integrity record

Two cup vacuum gripper, two 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-2026-000080581) never changes.

Identity and time

Publication numberOT-2026-000080581 · never reused
Internal UUID01a0ae96-7e79-70e4-815a-ba85d0a68857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080581
StatusPUBLIC

Content hashes

Canonical text84b02cb184e95e0d962c35153978fe7bb6be66b1b1696282f338df6777cd2c94
Markdownf0c61175f909006349745c8814548f1e2168862802f35017efd9f3a57d13dc68
PDF
Publication page85f6e48fda57ea0005e7e5abd91b186fff6e3d99ace405c929f4915c33bea5d1
Manifest336601ca7a77993f89e486f4c2fcfe8fea060dfa5ce8174edabdb905bcbb272f

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
Signaturej6Dg9vhXX7RQVhdIi9F+qzDPCU+dKHN6fvfode83Tmqbqn7xAeQC2JN7Som03wr3P13EtY8X8o4kJQGUdEypDw==
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

2026-09-17T10:03:12.995882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080581
observed 85f6e48fda57ea0005e7e5abd91b186f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.979050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080581/manifest.json
observed 336601ca7a77993f89e486f4c2fcfe8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.960648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080581/publication.md
observed f0c61175f909006349745c8814548f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.943409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080581/publication.txt
observed 84b02cb184e95e0d962c35153978fe7b...
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.