OpenTechnical

OT-2026-000048622

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line 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-2026-000048622) never changes.

Identity and time

Publication numberOT-2026-000048622 · never reused
Internal UUID01a0ae80-4de8-74f0-9f19-9fe418faf8f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048622
StatusPUBLIC

Content hashes

Canonical textd789ed014b63cc60535e1cf5d7ef994e7a458e05b29749a74bd03f5d6283cbcc
Markdowna325662542e5374a6a0aff0a953edd332285ea76c99f587af419a484d39cefa3
PDF
Publication page89e09f62abbd208b8b66bc91cb6fc61cd64ad274c4873486928f0607c1e64bbf
Manifestc5c68141aad109b2a378560ada5c6ff3388e3d38e637a2e048e3cd185c327290

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
Signature4k5jZ7ilnTLOWCcXrS5t44ktL60oPo1xyfpxRXmYeOasCH1uWmMXCacEMEFxUEqayRk8QRYR7OGLseCi/1iXCw==
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

2026-09-17T11:05:26.528073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048622
observed 89e09f62abbd208b8b66bc91cb6fc61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.508341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048622/manifest.json
observed c5c68141aad109b2a378560ada5c6ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.487044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048622/publication.md
observed a325662542e5374a6a0aff0a953edd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.467694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048622/publication.txt
observed d789ed014b63cc60535e1cf5d7ef994e...
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.