OpenTechnical

OT-2026-000029109

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000029109) never changes.

Identity and time

Publication numberOT-2026-000029109 · never reused
Internal UUID01a0ae73-2a9f-7312-9155-1796eeb62b7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029109
StatusPUBLIC

Content hashes

Canonical texte5484172caf69dcfe595d6c2dcc1dc55a9601ee5dec3face79a6f519b9cdc0cb
Markdownc47f91a3b111ad8beaa152fbb0d76ccf314a3bca8a72db3f3228ae57b3db1ded
PDF
Publication pagedd221b1c132d1e8fc78737a9cee3a1fe51c47eaea9597b34821850c18b58625c
Manifest914459a946001c90cd2b7a436fa4ee55f63b778c9b54f1400809406e2dfda534

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
SignaturesXjRm2+Pl/ql1gWPW5drAyKgHweP2pRTnB5R5xIzvp43I5+agwJHyVZ8pETtHPL4hBYDto0GyoGzqXJS9VBGAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:20:52.257769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029109
observed dd221b1c132d1e8fc78737a9cee3a1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:52.240200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029109/manifest.json
observed 914459a946001c90cd2b7a436fa4ee55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:52.223992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029109/publication.md
observed c47f91a3b111ad8beaa152fbb0d76ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:52.207091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029109/publication.txt
observed e5484172caf69dcfe595d6c2dcc1dc55...
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.