OpenTechnical

OT-2026-000078477

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078477) never changes.

Identity and time

Publication numberOT-2026-000078477 · never reused
Internal UUID01a0ae95-7c28-7285-93e5-8f175ecbc54d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078477
StatusPUBLIC

Content hashes

Canonical text7ffa5ca3984375430ddf605e08a7a9b3de7d5f62600750dfa7940676c79a86c7
Markdownd74d0b351e1b3e823523fa7850769da492f95eb6ebc9fced7256565b521a7ebb
PDF
Publication page0ecfac20996f8e3e6afdf4245e94a46965450e13494215980d055ef823d012e1
Manifest41fee9567ada6c0852d3e900d2c236c041ae0717123fab87fb2e3181ce61a583

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
Signature+vbHxi8HwmJjwwE2AIDfUGD74T0KNG1NUtPklHzg/gHRrfIC5pJVXg/7cVOQRZDCmpe8L1YLV0b6o6DLw/iCCQ==
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

2026-09-17T10:06:29.148459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078477
observed 0ecfac20996f8e3e6afdf4245e94a469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.128725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078477/manifest.json
observed 41fee9567ada6c0852d3e900d2c236c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.110412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078477/publication.md
observed d74d0b351e1b3e823523fa7850769da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.091502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078477/publication.txt
observed 7ffa5ca3984375430ddf605e08a7a9b3...
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.