OpenTechnical

OT-2026-000044090

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000044090) never changes.

Identity and time

Publication numberOT-2026-000044090 · never reused
Internal UUID01a0ae7b-d67a-7389-b051-e1e42156ef57 · 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-2026-000044090
StatusPUBLIC

Content hashes

Canonical text47305037ca88c67bc759dcf26696a7a0d34f27e3923d298d10e20108811d2a4f
Markdown5978894fb06e1bc54c227894b941842e440233ecf60090d76de785a3756273c5
PDF
Publication page414f311dc663f777b7433f2fc02dffe8f14d66e90f86429bd5745f5c13524169
Manifest9da4ea7a70dfac3c4423e7d8f705729bd2ede4096201a34ffecd8ca7adbafc03

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
SignatureKi/H58esPQmST5RaaxVHMr9uLMWt2BeljTxClU6f+cABGH/IL2O4ZIxlffJoVd+9MKWkbMGCoDf2XwUvgRdaCA==
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

2026-09-17T11:12:29.755906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044090
observed 414f311dc663f777b7433f2fc02dffe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:29.736073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044090/manifest.json
observed 9da4ea7a70dfac3c4423e7d8f705729b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:29.718881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044090/publication.md
observed 5978894fb06e1bc54c227894b941842e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:29.699310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044090/publication.txt
observed 47305037ca88c67bc759dcf26696a7a0...
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.