OpenTechnical

OT-2026-000071987

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000071987) never changes.

Identity and time

Publication numberOT-2026-000071987 · never reused
Internal UUID01a0ae92-47c0-7881-9298-3763e753bcba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071987
StatusPUBLIC

Content hashes

Canonical text44cf89982cdae6268a89ac590cfafaf0a4648026bd680cf3c6fea796cc548f3c
Markdowncb5faca6ba8a19a3fe0c1e7a1e352886e55174f2da3eb7f5098d0ce7aaf11a24
PDF
Publication page7db9857a52d174eadcc97a5cc8486a0fec74d2d5b882a035035ca67b8c460651
Manifest84dff9a3a819c93529d6024614618138bc5c1c089f1a7dfa1a2c878d22412825

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
SignatureNgGSlONqk7RqEoDdVYcq6Q/rCtOGPNaZuuxzEYC9NgzQUj3hQGX6B/M8gdm3oR8v+z7DuQ8oWQ/sBN6JyvzUAg==
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

2026-09-17T10:23:02.363673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071987
observed 7db9857a52d174eadcc97a5cc8486a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.345858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071987/manifest.json
observed 84dff9a3a819c93529d6024614618138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.328941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071987/publication.md
observed cb5faca6ba8a19a3fe0c1e7a1e352886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.311472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071987/publication.txt
observed 44cf89982cdae6268a89ac590cfafaf0...
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.