OpenTechnical

OT-2026-000047395

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000047395) never changes.

Identity and time

Publication numberOT-2026-000047395 · never reused
Internal UUID01a0ae7f-3e57-7e40-8d8c-784702c2945c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047395
StatusPUBLIC

Content hashes

Canonical text3fea72be62ca2a9fe11a0590d603776617cc1773b3af02bcd4c450f5eb373f0c
Markdown8ef1135b7092f5355d5217e60090f603801fedfc5e6b0fea01113941f72f88f9
PDF
Publication paged8afdea57fb8cc2c37947764b01071c9371623ce59a2347723966733ce76390c
Manifestb9516c5a3853e89f1c7988d63febdb6bdef363b5fe1d03f9fb602e5720677f78

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
Signatureab3oHPO2PIzTaxIvMQiX372iLmssLPGJ+A9cahBVe3FL9IR3AVKI4u9j7221/lSqLKmh40cbw9gypYlbLfiiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:06:24.396774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047395
observed d8afdea57fb8cc2c37947764b01071c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.378694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047395/manifest.json
observed b9516c5a3853e89f1c7988d63febdb6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.361580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047395/publication.md
observed 8ef1135b7092f5355d5217e60090f603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.344340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047395/publication.txt
observed 3fea72be62ca2a9fe11a0590d6037766...
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.