OpenTechnical

OT-2026-000086491

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000086491) never changes.

Identity and time

Publication numberOT-2026-000086491 · never reused
Internal UUID01a0ae9a-2c97-7a50-b4b3-5b9e853f62fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086491
StatusPUBLIC

Content hashes

Canonical text9a5ab9349d2444fcd57e0c4e68742a064ae9b6cfe29be0486d109f06a9b61851
Markdown624e9054e9a363a6aecd1681125da84560b2c46849de9d5f0c014b5097af98f2
PDF
Publication paged87cd6997ec7e1692c1692416813a0733b9c16014b558e3059b0e35d1f05f7ca
Manifest19806a449dcdf41199fd41176191787b83fa2fb3ea66835ffc5b6182b8a6eb06

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
Signature1WKwEeb+tZGnJlvdNekD9KNONswZ63j4L8x9TSSB+FA4KibYeXZz050ngGjMCbTkMZz+V/Cc0LSHeVBKhIY6DQ==
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

2026-09-17T09:52:18.325717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086491
observed d87cd6997ec7e1692c1692416813a073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.307560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086491/manifest.json
observed 19806a449dcdf41199fd41176191787b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.287472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086491/publication.md
observed 624e9054e9a363a6aecd1681125da845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.270758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086491/publication.txt
observed 9a5ab9349d2444fcd57e0c4e68742a06...
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.