OpenTechnical

OT-2026-000087776

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000087776) never changes.

Identity and time

Publication numberOT-2026-000087776 · never reused
Internal UUID01a0ae9b-1aa4-70be-a623-ad36922bd655 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087776
StatusPUBLIC

Content hashes

Canonical text6f333ddf29161b5b0408cfa2a6cfcbd428bc0f03fce1010cef72bf0341b909ff
Markdown143121191f49ec20b54dab8c46b691daee72d0c22a9e73b8a95f32f11668b7ba
PDF
Publication page799477074eaf1c650423f776707d38a5028fe0b94115957eed0218039b7aa7b4
Manifest85ecbdc85e5ed85f63cccc9d3242ebdd62423da85b81cca759f07dc0e019410c

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
Signature2J+ykuf8sIr4cu/fX08T60HZ1KTU/t75YTMlxI0oqxu2n8lxLWHu+SuE4Ycc6XHp0SzRQbRPmDWsrj+wKn3RAQ==
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

2026-09-17T09:48:58.790445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087776
observed 799477074eaf1c650423f776707d38a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.772489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087776/manifest.json
observed 85ecbdc85e5ed85f63cccc9d3242ebdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.754627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087776/publication.md
observed 143121191f49ec20b54dab8c46b691da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.737631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087776/publication.txt
observed 6f333ddf29161b5b0408cfa2a6cfcbd4...
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.