OpenTechnical

OT-2026-000089267

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000089267) never changes.

Identity and time

Publication numberOT-2026-000089267 · never reused
Internal UUID01a0ae9b-db01-77fc-aa71-3a71717716f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089267
StatusPUBLIC

Content hashes

Canonical textef8f260e3df6adf26453f7fd4c461270c385c7bc3adbd8f1e2aa1309c72125b8
Markdown0b64a0fcb2f8ef0f61c830d9563575d1a3b7be896066d1630465205a6676b383
PDF
Publication page50b07fd21d1867479e4428053878c1efec69d81f80f7b9c477431e1d4200a88a
Manifest25325c496e9ea2904c5153367c3a135bfe4bdd76294040847f9b48749f491c56

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
Signature547O9GMe0BkK7a9gIvREnuIAn6iYTQHpP2e6W+L8ezbfqzdfej2dZInM+vXhWD50Tc3bByK/FsRFLv0bJhZ5DQ==
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

2026-09-17T09:47:18.361224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089267
observed 50b07fd21d1867479e4428053878c1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.345045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089267/manifest.json
observed 25325c496e9ea2904c5153367c3a135b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.326672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089267/publication.md
observed 0b64a0fcb2f8ef0f61c830d9563575d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.307785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089267/publication.txt
observed ef8f260e3df6adf26453f7fd4c461270...
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.