OpenTechnical

OT-2026-000092181

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum 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-2026-000092181) never changes.

Identity and time

Publication numberOT-2026-000092181 · never reused
Internal UUID01a0ae9d-875a-7b8f-a177-aff4620b74cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092181
StatusPUBLIC

Content hashes

Canonical text6b020279da77bd4cf381441d08f6a8d7608697879b4d89a304f83bc1f5018c1e
Markdown80793c1f3a10c9338af7cbcb2a9c0aac8b867190859e59ae7596765141c4e989
PDF
Publication pageb7c280ecc8c157751eabb70c49acdfa62714f603e5711b251fbb3f9afe16495a
Manifest1e6da74730b99b8b10983a42a2ef9628e9c42528fca95119b7b74dea40540eb0

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
SignatureWicH/pjyIOZK68TpQYHjUs8U7Cl9E++aX4HJrgwL45So7WHompqjpcETmCQxbxBwhViQSM9fs5U4qenv/I8XCQ==
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

2026-09-17T09:41:39.697010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092181
observed b7c280ecc8c157751eabb70c49acdfa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.679433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092181/manifest.json
observed 1e6da74730b99b8b10983a42a2ef9628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.663309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092181/publication.md
observed 80793c1f3a10c9338af7cbcb2a9c0aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.646809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092181/publication.txt
observed 6b020279da77bd4cf381441d08f6a8d7...
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.