OpenTechnical

OT-2026-000087797

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000087797) never changes.

Identity and time

Publication numberOT-2026-000087797 · never reused
Internal UUID01a0ae9b-1aa4-7a0a-99be-33017842186a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087797
StatusPUBLIC

Content hashes

Canonical texta0017553b9476c85b9681941f03881a5b1f095031f4dc9bc5cf8173f65256114
Markdownad8dabc4e673520c0c4007a9a12472af3f5c2fc65d4d0386cdbbe02e462bdf6b
PDF
Publication page61dfeeaac778b05a002a55ef162cce8577d7bb7fc45f95fe2d2617248b48efdb
Manifestd4e7fd5897788963431b7bdfb4f0ab14850faabaed105842659f3d5af1bd1d2f

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
SignatureLYkD4qwCJgQTSCR0vPt5nFCz64LTQcfQZk3AriERBrKYVvS4VVB2kKV/WTFEmCP6wRpbO2TS5gUS+oOitCRIDg==
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

2026-09-17T09:48:57.917012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087797
observed 61dfeeaac778b05a002a55ef162cce85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.895650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087797/manifest.json
observed d4e7fd5897788963431b7bdfb4f0ab14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.876804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087797/publication.md
observed ad8dabc4e673520c0c4007a9a12472af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.857929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087797/publication.txt
observed a0017553b9476c85b9681941f03881a5...
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.