OpenTechnical

OT-2026-000048666

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000048666) never changes.

Identity and time

Publication numberOT-2026-000048666 · never reused
Internal UUID01a0ae80-c32b-73e9-bcc7-5c9203417b2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048666
StatusPUBLIC

Content hashes

Canonical textf4130785b241d63f6ae9e5f5e98fdac6487ff5518918ab7b6b066d1b0e0ecc3f
Markdown738da4c836b6e2d1dc77233325b008261d11b98a7d057394cb4f446935ec340c
PDF
Publication pagebe13ca1e4f30dfc30f28e34b248a68c6688456088f6a429ead1328c7fd1ac242
Manifest348688e3bfb053fffd294876c12ef3ad1f88a2aed0166a93db7ed7122b732dd6

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
Signature28xjNVyD1xlYVAEfhxMeNMU/+QKRay+8dKsk9K/MEvHFQ66fsYwXbJB6eKdyuLtQENO6GU4B75kJiOCdGZJuAA==
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

2026-09-17T11:04:17.192831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048666
observed be13ca1e4f30dfc30f28e34b248a68c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.173143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048666/manifest.json
observed 348688e3bfb053fffd294876c12ef3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.154032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048666/publication.md
observed 738da4c836b6e2d1dc77233325b00826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.133528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048666/publication.txt
observed f4130785b241d63f6ae9e5f5e98fdac6...
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.