OpenTechnical

OT-2026-000006367

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, pump fed, rubber cups, oval form

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-2026-000006367) never changes.

Identity and time

Publication numberOT-2026-000006367 · never reused
Internal UUID01a0a958-8197-7212-9cfb-04ca767415c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:24.985825Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006367
StatusPUBLIC

Content hashes

Canonical textfddbceda4155815b3e17b6f66657f0dadef78e8f1b114c901b140d72671b53c6
Markdown73904d514cbdfe312c6e87ba794f75d74f0cba2d643e608d9e1174ecd9d8d0b8
PDF
Publication page2c31b6c0634324b74c496ba65566ab346fd9c8f9c3b21794557d77bb23bf41b2
Manifestb35a27acaadd4ec80c1bc90c2eb1045643920e27639a2f0957fb5f13c91fd5f3

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
SignaturerF8RpatH8C5B11xKI6JOZZ5PEI38rjtIj9GqziF8euHZFTLzrrDe99Sp8vUlprva+QxVfRoHkc6oJS5Pih0uBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:26.125492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006367
observed 2c31b6c0634324b74c496ba65566ab34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.985516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006367/manifest.json
observed b35a27acaadd4ec80c1bc90c2eb10456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.972278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006367/publication.md
observed 73904d514cbdfe312c6e87ba794f75d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.958610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006367/publication.txt
observed fddbceda4155815b3e17b6f66657f0da...
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.