OpenTechnical

OT-2026-000046559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000046559) never changes.

Identity and time

Publication numberOT-2026-000046559 · never reused
Internal UUID01a0ae7e-57dd-7f1a-9039-ef876747423e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046559
StatusPUBLIC

Content hashes

Canonical text28ebb94dedf1494534d953094034e115ecb59213ff3a996b0706ed92be64d9bc
Markdown576d6b93bf37795681fab0d0a785302f8a3f7f06b5bde3db004ff3f3db3809ff
PDF
Publication pagee807a904069f0097efefb5ec55cabd8de0134dfbce257cf71627aafbd76b619e
Manifestfa01460a67abcd1f4fb564f36fa5a049ea4aad2d878e173ca06ed2194652d9bb

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
SignatureGUlHM9OQyTTjvWxhbjnXLwwea9Kqf4U7BNn9ZxCxwgt4Qma76JJLR/+A35QAAN8Ncyf+Vtu/9IZW0X9h64a7Dg==
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

2026-09-17T11:08:37.338273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046559
observed e807a904069f0097efefb5ec55cabd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.320618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046559/manifest.json
observed fa01460a67abcd1f4fb564f36fa5a049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.302550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046559/publication.md
observed 576d6b93bf37795681fab0d0a785302f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.284201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046559/publication.txt
observed 28ebb94dedf1494534d953094034e115...
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.