OpenTechnical

OT-2026-000086978

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000086978) never changes.

Identity and time

Publication numberOT-2026-000086978 · never reused
Internal UUID01a0ae9a-80a5-7f53-9aca-122ad71a72b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086978
StatusPUBLIC

Content hashes

Canonical text432e9ad86ccbe710177faef4d3f305e06a12d6f7321b9844fd5d1a396283ccf4
Markdown308c1fdf52abb28d0e675b9b61ff98994e47fbd2cd5f40565c49dd387f8fd397
PDF
Publication pagef35f49bbd8f94a66e86f4855885f0a17f037cd8a28e3a57844240613e33aed31
Manifest96ce68e12448defc486aabf698ddf443e7f858d11e93c343b8dcaa0a9230afd0

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
SignaturelfeQ0+XUrVj4TMQoXsN3e/STlQyuon5kEfWwQCdDp1SQZhCr0faYdAQwXIMmAX20J/DUt6VHNfXtiTsohF8FDQ==
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

2026-09-17T09:51:51.992128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086978
observed f35f49bbd8f94a66e86f4855885f0a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:51.976285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086978/manifest.json
observed 96ce68e12448defc486aabf698ddf443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:51.958745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086978/publication.md
observed 308c1fdf52abb28d0e675b9b61ff9899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:51.941235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086978/publication.txt
observed 432e9ad86ccbe710177faef4d3f305e0...
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.