OpenTechnical

OT-2026-000028752

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000028752) never changes.

Identity and time

Publication numberOT-2026-000028752 · never reused
Internal UUID01a0ae73-2252-788a-b150-c3b82af7b465 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:36.158293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028752
StatusPUBLIC

Content hashes

Canonical textd6deb127924dd015ac3a400271ef7f3f0488c5a537ffbe5be46aa6687d82142c
Markdown5207186c17e8962fa9d164337a3229e597358d3a183f9aa57110288eba0c7f8d
PDF
Publication page4afd7f14e4effc623a33ef2512fd2de9d5791ad376ed2522696b6ad99436b15f
Manifest2a6d82dd6e1784a8dca98155b4e8c2ec4707666088b89f30357a13c98e00d64c

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
SignaturecG4TD4KUpheHsJJiqN5KOcVp3l/1SrGlQwMmgpX6OoqIgPAm4BC/8uDChxlnoV4vEtGHgQ2k4pkI/6VSyTvVBQ==
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

2026-09-17T11:39:58.172748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028752
observed 4afd7f14e4effc623a33ef2512fd2de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:58.152957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028752/manifest.json
observed 2a6d82dd6e1784a8dca98155b4e8c2ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:58.128916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028752/publication.md
observed 5207186c17e8962fa9d164337a3229e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:58.110857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028752/publication.txt
observed d6deb127924dd015ac3a400271ef7f3f...
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.