OpenTechnical

OT-2026-000054297

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054297) never changes.

Identity and time

Publication numberOT-2026-000054297 · never reused
Internal UUID01a0ae85-b3a9-794f-b8f0-d8a06cc5a446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054297
StatusPUBLIC

Content hashes

Canonical text87a6ffff507bc33db0ae0f5302f1d7691cffb8a0deb9e7ca7c0da8bb55a96f5e
Markdown33b63f320e4863a8bde5ab59a63291b048db92856e6fa9e20e6f498694646bd7
PDF
Publication pagebe812179dd7674796ca696a848c2cc2ea14f8d7f57c74fd9a41260c92161c47d
Manifest9d12f4223e222411a808f72d9b74970e34db0d80e47bbc7b19f95d14aa0d6429

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
SignatureGFls2Gxux7flnhwDwq7FvixyYT4nbtwpOndr5kQO2lACEEktx0d5Zb34yHMyou52UjRGiGHgByXTsK1VWzItAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:44:28.236212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054297
observed be812179dd7674796ca696a848c2cc2e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:27.998424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054297/manifest.json
observed 9d12f4223e222411a808f72d9b74970e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:27.754699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054297/publication.md
observed 33b63f320e4863a8bde5ab59a63291b0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:27.512360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054297/publication.txt
observed 87a6ffff507bc33db0ae0f5302f1d769...
fetched by grabo-systems from 34.44.131.203, 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.