OpenTechnical

OT-2026-000033516

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000033516) never changes.

Identity and time

Publication numberOT-2026-000033516 · never reused
Internal UUID01a0ae75-a38e-7035-b277-e446ae4c383c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033516
StatusPUBLIC

Content hashes

Canonical textbe3592d6b1117251be399ffff3d22a4e9c56b8e6b393f48f8fa06f5d74899e4b
Markdown7c2a556ed5532434726b5806c64077bbc4766e55ebb6f05ad2b0e4530406e15a
PDF
Publication page83aeafb177efb5e688eae145cc1e9d46813e0c3bfe16ed9b7fe3d70ca43057dd
Manifestd1b6286eefda4e9d58b589e4db58a3824c9e2b48fac41ebda89a965d840e5f0f

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
SignatureP98FUnJ/xcKMGzhnp/52GrJvRLTTchOjUpz+4lzsgshr/+K+IWQXajc9zUDyt5yq55BfKw63p+iYixkrV5b6Cg==
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

2026-09-17T11:31:22.311943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033516
observed 83aeafb177efb5e688eae145cc1e9d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.266781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033516/manifest.json
observed d1b6286eefda4e9d58b589e4db58a382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.248863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033516/publication.md
observed 7c2a556ed5532434726b5806c64077bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.203794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033516/publication.txt
observed be3592d6b1117251be399ffff3d22a4e...
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.