OpenTechnical

OT-2026-000039297

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039297) never changes.

Identity and time

Publication numberOT-2026-000039297 · never reused
Internal UUID01a0ae78-9674-771b-9a41-0667815f314e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039297
StatusPUBLIC

Content hashes

Canonical text4f91425ca7c9906eb0a35aa4ad5659cb6c0d516d6979b9cad5d3629fbc3d57f4
Markdown30f16e3c7725144a3b6da6a5a6fc9a3eb2399b77e9317f1b2a8dbd26ed233526
PDF
Publication pageee38c9a944788ccd260cfcabfef54cd30b4439a32b47b00f397b81d935679063
Manifestee377dc6f7b0eb33a460e795e7d5fa7f165d4228c1d3f1dd3bad97730d32a91a

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
Signaturehfvk4NTOl13s94U8eHwe+Bp5Gr2X4C4lfb8fDSqNmcPoswXLIm7WxW7Z8eAiVLAs2xU7IOs/Pj2LtYceAPK9Cw==
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

2026-09-17T11:20:52.669285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039297
observed ee38c9a944788ccd260cfcabfef54cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.650177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039297/manifest.json
observed ee377dc6f7b0eb33a460e795e7d5fa7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.631801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039297/publication.md
observed 30f16e3c7725144a3b6da6a5a6fc9a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.614421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039297/publication.txt
observed 4f91425ca7c9906eb0a35aa4ad5659cb...
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.