OpenTechnical

OT-2026-000044016

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000044016) never changes.

Identity and time

Publication numberOT-2026-000044016 · never reused
Internal UUID01a0ae7b-d679-77f6-a162-bd3c4b16fb69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044016
StatusPUBLIC

Content hashes

Canonical textd31130c9a1e68015bcfed0e1090ee6e87f7d4464383613639d1ccba0159acff1
Markdowna9ddc69b932eae2c2f9c61c9e92eec9d563f38338e8a94b8e0092ba615df469b
PDF
Publication page733389eb6665c98c6c78f6a18c3625fb0e767a6ffb8baf05eeb78d621304e6f8
Manifest3101bace4afc5961cfb97b7495b7e7ad9a479fc8dbcbd0b144ccb3d6419390d3

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
SignatureoHiUZCbIGEocp22CxLiNYSWI/xTuftIrX5KbkWM/LUDNTxquPEUYWYd+W7gR/NGqI12RnP+GRBGSIZkBhTL1Dg==
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

2026-09-17T11:12:23.893268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044016
observed 733389eb6665c98c6c78f6a18c3625fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.875162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044016/manifest.json
observed 3101bace4afc5961cfb97b7495b7e7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.851349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044016/publication.md
observed a9ddc69b932eae2c2f9c61c9e92eec9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.834750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044016/publication.txt
observed d31130c9a1e68015bcfed0e1090ee6e8...
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.