OpenTechnical

OT-2026-000095504

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000095504) never changes.

Identity and time

Publication numberOT-2026-000095504 · never reused
Internal UUID01a0ae9f-8f74-7c4d-b2d3-0df40408f79e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095504
StatusPUBLIC

Content hashes

Canonical textee6c440b87c13ec1fbe05170a65305dce088bfb61c31dcacc6bb6f40810c59aa
Markdown230136224090f1a2555ee6132f008227d6acab487632e4e302a609d7c9712084
PDF
Publication pagebf1a875f72cd300422a44a9120d93a4e7267f690cae087f8d76bcc6d2862d4f9
Manifest9e119656e55e936f93379d7209b4cdd24923a88fc898b73f3fca11efb25d8a54

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
SignatureqPu0NaXi39++3J3JNcGCtnfll7tvL57sqclE7LetioybQ7uHj9XGkEFEItkX7DZf1MmS26zIOMta8iAB82BmBg==
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

2026-09-17T09:36:54.630930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095504
observed bf1a875f72cd300422a44a9120d93a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.614378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095504/manifest.json
observed 9e119656e55e936f93379d7209b4cdd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.597467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095504/publication.md
observed 230136224090f1a2555ee6132f008227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.579996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095504/publication.txt
observed ee6c440b87c13ec1fbe05170a65305dc...
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.