OpenTechnical

OT-2026-000063232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000063232) never changes.

Identity and time

Publication numberOT-2026-000063232 · never reused
Internal UUID01a0ae8c-94ab-7d1d-bc22-e6cdf903a3d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063232
StatusPUBLIC

Content hashes

Canonical text7c4dd5d7d13adc08731fcd8be900a90af1e85fc6b0b01a90295a1b8eee571b35
Markdown6807c53c53bd903573d22eec83752c72dc8a33418f54037b9d7f2d0a8d1e8574
PDF
Publication page49a44cecd5025f54206f6bcaf6e854922b24f4c9c5f57307c3f93c1ca95f6bef
Manifest9876843d76835f22d80531110d0c32bf3e73370f3cdba0112ab433d762f10da1

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
SignatureUMfV8OiKdUvmYNnBSToMHuc/2sirfEyOBVoe+2G1z3ggY52sTnBukq6UJsLeNySH4MyL5VnqkMxlmgOsgd+XCw==
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

2026-09-17T10:39:06.754452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063232
observed 49a44cecd5025f54206f6bcaf6e85492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.736899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063232/manifest.json
observed 9876843d76835f22d80531110d0c32bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.719135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063232/publication.md
observed 6807c53c53bd903573d22eec83752c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.700278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063232/publication.txt
observed 7c4dd5d7d13adc08731fcd8be900a90a...
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.