OpenTechnical

OT-2026-000030494

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000030494) never changes.

Identity and time

Publication numberOT-2026-000030494 · never reused
Internal UUID01a0ae73-e504-75e7-a240-991cb7f04807 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030494
StatusPUBLIC

Content hashes

Canonical textf671c71e52336e143eca9c7abc86c9e8d7b3d8453002ccad8faac149c4828c7e
Markdowna663d395df0318a0123b8ca412a5916965d3f0b511d288aafb4ed98ca530121a
PDF
Publication page4625cc8a688c806be252f1a67c370c7cd47abec878366d033cc39717d3eed0f6
Manifestff85a3bd215140ef7e8b5645f6844dbb54403a6244b8fb44b4a883c45443d5cc

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
SignatureqCv8nADeixpzEAyKR+6twZECW+uR2yp9Si5urT49SfA4bphz9EskbUtOiQhOgVf4ffSXliJcFqALcyKhGPGrDA==
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

2026-09-17T11:38:20.889256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030494
observed 4625cc8a688c806be252f1a67c370c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.872547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030494/manifest.json
observed ff85a3bd215140ef7e8b5645f6844dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.855457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030494/publication.md
observed a663d395df0318a0123b8ca412a59169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.836459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030494/publication.txt
observed f671c71e52336e143eca9c7abc86c9e8...
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.