OpenTechnical

OT-2026-000027450

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000027450) never changes.

Identity and time

Publication numberOT-2026-000027450 · never reused
Internal UUID01a0ae72-6998-76ef-ad46-352dfa939a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027450
StatusPUBLIC

Content hashes

Canonical textf3f02927cc1fc66c25f42e92f9d5537af59afe8d48a70fa41d8a9c1e72b11a05
Markdownb631f25aa6f2f97376e91e54a69aa8b72d7979de848c677ea9296f03494ffbe0
PDF
Publication page29c8799010c5d8b11d09505a4816623fafb8d2d6bc17cf6677d9fc1f35d6f4d1
Manifest48e973579ff135ff49f8635927c9f3a1015dd589a66e7caf957674d37a91857b

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
Signaturepg74hctQC8zqsnvfQpIRi9P/9XVDsydzm4CK2/ZoNSZwAzktaUo0gFhVt7p3Q3qWMwCKG4CLsw9dlXclYOc1CQ==
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

2026-09-17T11:42:54.339955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027450
observed 29c8799010c5d8b11d09505a4816623f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.322486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027450/manifest.json
observed 48e973579ff135ff49f8635927c9f3a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.304609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027450/publication.md
observed b631f25aa6f2f97376e91e54a69aa8b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.286619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027450/publication.txt
observed f3f02927cc1fc66c25f42e92f9d5537a...
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.