OpenTechnical

OT-2026-000100458

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100458) never changes.

Identity and time

Publication numberOT-2026-000100458 · never reused
Internal UUID01a0aea3-66ef-7e73-b627-e5f9187d9823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100458
StatusPUBLIC

Content hashes

Canonical text66e6c973f072333c758463c55d0c8a99805f4f632d98e96681f775b32c55f82e
Markdowna4ffc206bc56d524dd8cea8727b01844446d7756874d1e25a26d67eb675d1007
PDF
Publication pagee034150d01fac96055aad0fe8cc8da53d907b6f26d2e9d815403acac515360cf
Manifestead14b3fbf5ce10aa1b67488d4df58e3132d86c242a1dfe3fa8bed4adb362ef9

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
SignatureOYXGnod10xI+Nov9tYaDKHUYbfrEj9/94J4be1zI0xJOlRxk8yj74Y5Pjc/nTfkv66qyghQ2HBAqKWcyTf1IBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:12.412336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100458
observed e034150d01fac96055aad0fe8cc8da53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.394983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100458/manifest.json
observed ead14b3fbf5ce10aa1b67488d4df58e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.376899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100458/publication.md
observed a4ffc206bc56d524dd8cea8727b01844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.357864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100458/publication.txt
observed 66e6c973f072333c758463c55d0c8a99...
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.