OpenTechnical

OT-2026-000045122

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000045122) never changes.

Identity and time

Publication numberOT-2026-000045122 · never reused
Internal UUID01a0ae7c-f768-7b2e-9194-01c503d666b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045122
StatusPUBLIC

Content hashes

Canonical textfed11603506ccede9a2bd92ff5ddc583fd65bdddea65b05f58a7ff5f06048565
Markdown47f00a06233533ea0259bbb3720ec76c2ee4074508f2611c54b17f17571f974c
PDF
Publication page1d7117bc01cf80bf7aea4e0f195a0189355d573b837322ae33ef23384b9fabb5
Manifest802ee5e50633fa84f224a073ddbfa7914f50452cdaaa6c113401fcac54df6126

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
SignatureOte7BImLA0kCVa8kYahIxz0ulby24svqwSBv+berCcr+Mlbij1VWVHu3fApm8XX3icpSPSRSANlyBgtcpw8YCw==
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

2026-09-17T11:10:16.057879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045122
observed 1d7117bc01cf80bf7aea4e0f195a0189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.038424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045122/manifest.json
observed 802ee5e50633fa84f224a073ddbfa791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.019549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045122/publication.md
observed 47f00a06233533ea0259bbb3720ec76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.000239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045122/publication.txt
observed fed11603506ccede9a2bd92ff5ddc583...
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.