OpenTechnical

OT-2026-000067803

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000067803) never changes.

Identity and time

Publication numberOT-2026-000067803 · never reused
Internal UUID01a0ae8f-c4fb-7b4a-970a-f53bdb03f88c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067803
StatusPUBLIC

Content hashes

Canonical text8cc250838db134148ca1e5639ad64b60fcb772d582b682ac3b8750eb5471cdf7
Markdown5807a5f158f5cd27269b93c49abf32683f8e2974303adb32b33ea1865313d59f
PDF
Publication pagef189e12d811a4691d891c0540f2e632a9bccc21ef0ee77e040d28d3e39d8fe12
Manifestf1752d942350bfec87018169200fec2644403e517f764aaeb667d449b5943b97

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
SignatureSLsoB4EFRkGmvZOzecQ/OVkp+1Nv6fz8b20Tc9/5tQRsO/G6n5e3K5mLkf3v0QPb2rLYfPacRerco6cgDqWZDg==
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

2026-09-17T10:30:02.764900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067803
observed f189e12d811a4691d891c0540f2e632a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.746577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067803/manifest.json
observed f1752d942350bfec87018169200fec26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.729292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067803/publication.md
observed 5807a5f158f5cd27269b93c49abf3268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.712556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067803/publication.txt
observed 8cc250838db134148ca1e5639ad64b60...
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.