OpenTechnical

OT-2026-000091344

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000091344) never changes.

Identity and time

Publication numberOT-2026-000091344 · never reused
Internal UUID01a0ae9c-f16c-7572-b5a2-e1f321590f13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091344
StatusPUBLIC

Content hashes

Canonical text7c2467f7f43d1873c43e6bcf4bd6140496693d8e2978b3ecaa3ddeb8c0a98f88
Markdownb2517f807e45c18d4ae98fbc951c75ce5e16ff80c043559414b04f3d1da1a8fe
PDF
Publication page72434d97db5a01d000d6f1c672d807d2b5c6c67007691d2ca13373f8acf039ea
Manifest28cc660e59963c1d069add1fa032c262ec5816657c5ac9b5b722f1b9b5297a7e

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
Signaturek6P2nkzP9Rz6L4cz0nX6NLVdAda6GxWum95rMAJ+W73Up5r672oA4ZKCQiHzCvGKpp7sm9cQATSYFqjr251jBw==
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

2026-09-17T09:43:33.256591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091344
observed 72434d97db5a01d000d6f1c672d807d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.239687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091344/manifest.json
observed 28cc660e59963c1d069add1fa032c262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.222273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091344/publication.md
observed b2517f807e45c18d4ae98fbc951c75ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.205538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091344/publication.txt
observed 7c2467f7f43d1873c43e6bcf4bd61404...
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.