OpenTechnical

OT-2026-000072943

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072943) never changes.

Identity and time

Publication numberOT-2026-000072943 · never reused
Internal UUID01a0ae92-c815-7f01-9661-9b23bcf39779 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072943
StatusPUBLIC

Content hashes

Canonical text5bc6eb7b024dc0c4d15813e0b4b03ca8619a5c09dd5bd83930bdab0322036f74
Markdown45d1564cef6634f7ccb6d6fd5338da1cad154106519785213163ae45885108e1
PDF
Publication page5fb443e5c4253021087dc8b7d57d91899f0b9e9bae92f49edfec720d041e8eb1
Manifestd0b56dae5b6452acd02e9076d2e7f0f9de19c0646dfeb07b32d492764f5df21d

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
Signature/vGMNRgjeNtmRna+VM/jwWy7wcmOfjBaLXTqkGJPznFydJz9Ow+BigIlAI3GZKuSf/QWBiEt7HcGRHjJYpXkCQ==
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

2026-09-17T10:21:51.847549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072943
observed 5fb443e5c4253021087dc8b7d57d9189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.751054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072943/manifest.json
observed d0b56dae5b6452acd02e9076d2e7f0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.731534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072943/publication.md
observed 45d1564cef6634f7ccb6d6fd5338da1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.713090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072943/publication.txt
observed 5bc6eb7b024dc0c4d15813e0b4b03ca8...
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.