OpenTechnical

OT-2026-000053799

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000053799) never changes.

Identity and time

Publication numberOT-2026-000053799 · never reused
Internal UUID01a0ae85-735d-71bd-b066-1ddfbfb18186 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053799
StatusPUBLIC

Content hashes

Canonical textf28c177492b3faf6252cce8f4056e8be355859e579e517ee1247736310766818
Markdown7ac38a171baf1362517dd50a95d97d2caa2ed14f3ecc188fcb0db2805e4bc0d9
PDF
Publication page1cd7adc3feb7fce1ce1b3ddc2405da186e2261ca2e2ffcb8c4be5fb1dc30cc6d
Manifesta7afa28b5b51105a583fde14e911437d94b51541640b9d34eaa381676e9c2d04

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
Signature2Wwq5KRMyYjI5QOCJjMCUJ5Ae489Ctjsux21ix4NjhxDpLb/ohKHZEdkJ9Op9kqtNP3400AaqPxam20zE9QCAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:30.271054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053799
observed 1cd7adc3feb7fce1ce1b3ddc2405da18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.253588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053799/manifest.json
observed a7afa28b5b51105a583fde14e911437d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.235156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053799/publication.md
observed 7ac38a171baf1362517dd50a95d97d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.212606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053799/publication.txt
observed f28c177492b3faf6252cce8f4056e8be...
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.