OpenTechnical

OT-2026-000070217

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000070217) never changes.

Identity and time

Publication numberOT-2026-000070217 · never reused
Internal UUID01a0ae91-1862-713a-a04a-7459e4738740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070217
StatusPUBLIC

Content hashes

Canonical text8375055699ffd9c1e79fc3c2953529537e0233a5954955ea88865cbd7f3ce1be
Markdownc1526ecbf18b214129b19315e2a8cdd78085212038354615e85f735c1abd2ac2
PDF
Publication page4702ef7888188a0f4ae296fa2ad84c72bce252dac3fe69728c1fee7a8478e8cc
Manifestb80007379c0be59619e3dae1241c674136bee664c9b709864dfce2e07f2e9d0b

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
SignatureYSYaBLOtX1cOQvfU91C1SwuGSQnnCeNhq+5v3ukzeDS5zMU+Xk8CaaNtUgmCeZlnvBaY17JI+li7fChHZKm3BA==
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

2026-09-17T10:27:16.432721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070217
observed 4702ef7888188a0f4ae296fa2ad84c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.415828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070217/manifest.json
observed b80007379c0be59619e3dae1241c6741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.399119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070217/publication.md
observed c1526ecbf18b214129b19315e2a8cdd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.382114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070217/publication.txt
observed 8375055699ffd9c1e79fc3c295352953...
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.