OpenTechnical

OT-2026-000032194

Publication integrity record

Foam pad vacuum gripper, two stage ejector, pulsed 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-2026-000032194) never changes.

Identity and time

Publication numberOT-2026-000032194 · never reused
Internal UUID01a0ae74-f7a6-7aa5-bb54-744bbf76ae29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032194
StatusPUBLIC

Content hashes

Canonical text92f94599eb889e6f3baa489037f7f9d81ccdb985c7a593bbb3807f74b569f774
Markdown000b62bd0f617216468551da188b700af68f25c1893970630193ecf36e16bba6
PDF
Publication page8f59dcf1d3a04d7e109c4ca7b298f9858bb16f81e5ff82f14f0d9228dde657a4
Manifest242797961b15f9073fd46a59b128a77fb9ab99a7d0ed53d90f15e3fd5baec962

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
Signatureb329TYOajO4qPGjyouqQFcFPJC3o5eDhBHU21Vw0vFiJOQp1sYiinaTkQ9SdBaeafrs2z5VprmPQ5rH5+CCiAg==
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

2026-09-17T11:34:32.275409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032194
observed 8f59dcf1d3a04d7e109c4ca7b298f985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.258093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032194/manifest.json
observed 242797961b15f9073fd46a59b128a77f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.240514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032194/publication.md
observed 000b62bd0f617216468551da188b700a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.219920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032194/publication.txt
observed 92f94599eb889e6f3baa489037f7f9d8...
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.