OpenTechnical

OT-2026-000077335

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000077335) never changes.

Identity and time

Publication numberOT-2026-000077335 · never reused
Internal UUID01a0ae94-f509-73fe-8f48-aa3bf69be03b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077335
StatusPUBLIC

Content hashes

Canonical text2437dd8c088ade0423362c8f077a7c113434fc57f322aa734e5e151c7435a6b0
Markdown99069e90c6b937958655a6124fe7724117a756f02924e23a979e7f97f6c6a04c
PDF
Publication pageb8509c777a5ff1dc5a61af7bebd8ce2dc683838a7ebaccec4a9f2106f9514f23
Manifestd2596a8cc88c67defb2644d91bf3f55676d2a7481c21febf986cbc92801c8b3c

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
SignatureAdJVHT7iwQPyiGqsKoq7eBS+cYIZFwLxNe35AE0jv8IRQWaOauQgu5FH42T1T3D6uWyiT91aM1UuJP7k23ZxCg==
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

2026-09-17T10:08:58.522135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077335
observed b8509c777a5ff1dc5a61af7bebd8ce2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.506069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077335/manifest.json
observed d2596a8cc88c67defb2644d91bf3f556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.487561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077335/publication.md
observed 99069e90c6b937958655a6124fe77241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.468519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077335/publication.txt
observed 2437dd8c088ade0423362c8f077a7c11...
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.