OpenTechnical

OT-2026-000092729

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000092729) never changes.

Identity and time

Publication numberOT-2026-000092729 · never reused
Internal UUID01a0ae9d-b600-7dab-9e9b-2d7c129a456e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092729
StatusPUBLIC

Content hashes

Canonical textdacc411115020395c93dd7a9b16e813c6d288c9fbb3565f5035fae6190f51550
Markdowna41647eabff82756830d554cfb4ecc9f80032738f1c3fc4490a7122f1e0ce7c3
PDF
Publication pagedea568bcb1f7f6e5f865c9062e59bb142ac4e0e0601a18d2669d47bff2d37a2d
Manifest93524e8335ffe342464ea798f56e47943f78a0cf531d02acff0ab38cf66dabb3

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
SignatureiiAGrs43/Z2MD3SHWQM71WElqPfBUYI4K/gwzA0iF4uwlpc5ierfn0iU5Oskug3RRBh3tYoq602tiGsD3Y28Cw==
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

2026-09-17T09:41:21.185472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092729
observed dea568bcb1f7f6e5f865c9062e59bb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.168885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092729/manifest.json
observed 93524e8335ffe342464ea798f56e4794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.152670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092729/publication.md
observed a41647eabff82756830d554cfb4ecc9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.135697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092729/publication.txt
observed dacc411115020395c93dd7a9b16e813c...
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.