OpenTechnical

OT-2026-000078687

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078687) never changes.

Identity and time

Publication numberOT-2026-000078687 · never reused
Internal UUID01a0ae95-ccbb-7c4d-993f-36bbb8414853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078687
StatusPUBLIC

Content hashes

Canonical texta8cf121df5dffcf7981b20d00efb91a6e371e67cc393bdfe2b0f5e57b9b7dcff
Markdown751e3fd6032de997ed6356d495d9d533aabd65850b6ccefde0786335cbe03baa
PDF
Publication paged164d424b09c83cc3faf212d2ff633c87a589339ab82d27ce7247179241efebd
Manifestf16768434831b4f8f1fbed0110893850ac670bb750216745557ad65cc2fc1dcf

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
SignatureR7ZQf2OQB3UcF0UqadvV5Aud7eNQ3ffulz0R2SkXejVSJbKvBYNd5cmRDhljDbHkp1MIBslDb5gD90sz1d2KCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:27.948897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078687
observed d164d424b09c83cc3faf212d2ff633c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.932688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078687/manifest.json
observed f16768434831b4f8f1fbed0110893850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.915184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078687/publication.md
observed 751e3fd6032de997ed6356d495d9d533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.897436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078687/publication.txt
observed a8cf121df5dffcf7981b20d00efb91a6...
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.