OpenTechnical

OT-2026-000078223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000078223) never changes.

Identity and time

Publication numberOT-2026-000078223 · never reused
Internal UUID01a0ae95-7c26-71f9-8020-da3c52a872ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078223
StatusPUBLIC

Content hashes

Canonical text24ff37e77462b11c6bbeb69e9ab215fd34ee9992b0be734b5f35b3a488bf8cc8
Markdown4ae0808ae3e98c0e44fc3612f7e2a4eeafa4f5a87a225917c4052184a6634ce3
PDF
Publication pageb444e5d8f770e8cd9d0707915665ef13d3b83bb8d190f162a141006568838ada
Manifest3eac974a8e504aa978f144ec1dd3f71d59cc70cc09b963d4fcac1e4c039e203d

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
SignaturetsWaN4vti0Gazcqb3B90QarVrkbIq1cXTLA4s2KMoTQcSGTAbvX+LqIpxXPSJI/TNKCg+Okjhx0sR+dU0fneDw==
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

2026-09-17T10:06:10.283104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078223
observed b444e5d8f770e8cd9d0707915665ef13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.265326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078223/manifest.json
observed 3eac974a8e504aa978f144ec1dd3f71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.245679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078223/publication.md
observed 4ae0808ae3e98c0e44fc3612f7e2a4ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.229011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078223/publication.txt
observed 24ff37e77462b11c6bbeb69e9ab215fd...
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.