OpenTechnical

OT-2026-000038692

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000038692) never changes.

Identity and time

Publication numberOT-2026-000038692 · never reused
Internal UUID01a0ae78-769e-7073-a9b6-c66cf828349d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038692
StatusPUBLIC

Content hashes

Canonical text5f20ea07513810b9e84c0dd51a43578bbbbaa4db31115588cbc843ce4197d05c
Markdown07d628e2789854aad9c15b1a4ebcea22e91cc46ea4001912564aa43e134fa2b3
PDF
Publication page090ff2cecbb2841696f38a276bd5b0846d5893fe2c6ea461c8f27e0c82eca631
Manifest741ba1d913a9b6274d8b1b5ec06c35714ba01d0345b01bc8beef789001cf2d15

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
SignatureSI6XJbgwZ1zPWH93ChD9zlqfp17rjyg3sQDnEgRn+3GGKIM97zK6nphA0s3Y9qfZxPVlGo9w1xOp2KVkqcxPAQ==
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

2026-09-17T11:21:12.561791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038692
observed 090ff2cecbb2841696f38a276bd5b084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.546153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038692/manifest.json
observed 741ba1d913a9b6274d8b1b5ec06c3571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.528385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038692/publication.md
observed 07d628e2789854aad9c15b1a4ebcea22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.508963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038692/publication.txt
observed 5f20ea07513810b9e84c0dd51a43578b...
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.