OpenTechnical

OT-2026-000089075

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000089075) never changes.

Identity and time

Publication numberOT-2026-000089075 · never reused
Internal UUID01a0ae9b-daff-7ed3-a966-8e7ad379d739 · 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-2026-000089075
StatusPUBLIC

Content hashes

Canonical text51e1b494834ee052c0a84d1b6a1910dce3459d78d6a4dc5206371c05cda5ac4c
Markdowna918340b8eee266c200292f1c493d93e7bb959873ddb41fe35d22c958dc6490f
PDF
Publication pageb83c2d6aba658a21532afd127e8bc97e760d086edaa30b92fea72041217b06b9
Manifest5ea7c0e1bc90a9becbe8704e3decebb4c796725258a9be291da5825ac04979b8

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
Signature8WwwFiAgGAXKPTW1xNz4mwyd1wl723/wxYedDo8hRf990WlcZ46s+uhdqUNmZa/DPjzzwn4QY1purdOeiiiQAg==
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

2026-09-17T09:46:58.646723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089075
observed b83c2d6aba658a21532afd127e8bc97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.630450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089075/manifest.json
observed 5ea7c0e1bc90a9becbe8704e3decebb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.613831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089075/publication.md
observed a918340b8eee266c200292f1c493d93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.595946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089075/publication.txt
observed 51e1b494834ee052c0a84d1b6a1910dc...
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.