OpenTechnical

OT-2026-000022328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000022328) never changes.

Identity and time

Publication numberOT-2026-000022328 · never reused
Internal UUID01a0ae6f-f4fd-7c49-a3e7-5494e9907c32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022328
StatusPUBLIC

Content hashes

Canonical textd0ac335feb24fc36b10e9f610722fb8b52f8162a99b1bdccb57de8d16cc5843f
Markdown7dab3223d014772a2bc141331b33006de7e447434f7b88268a15cab9ace26ce5
PDF
Publication pagef6f67932dcdbe6a0a8e98b100d7f5d8af1adf5ba30640b0e487b35594f18c360
Manifest55a859b1195c55cef828bf658f842b044e4bd8df275ce5f1f5217dec69c4b815

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
Signature0UsXzK/z6a/LpWpP5ZDRUVSzSB3gdf0Eh83AKSoaBFh/re9UlT+Fpax7A9OjjxNFDIXUrDK+bA1NpsVcnOpXBA==
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

2026-09-17T11:53:41.320346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022328
observed f6f67932dcdbe6a0a8e98b100d7f5d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.301187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022328/manifest.json
observed 55a859b1195c55cef828bf658f842b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.282312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022328/publication.md
observed 7dab3223d014772a2bc141331b33006d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.263547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022328/publication.txt
observed d0ac335feb24fc36b10e9f610722fb8b...
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.