OpenTechnical

OT-2026-000085879

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000085879) never changes.

Identity and time

Publication numberOT-2026-000085879 · never reused
Internal UUID01a0ae99-e829-7b1d-b324-b3cc617297a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085879
StatusPUBLIC

Content hashes

Canonical texta36fa4f3a33cd4f544e225923135cef58525cf4b3cb2196aa5ade90afbec88b4
Markdown3111c101073b85f77e23a7a5c369aa95ecf9a38e0fbe42d39026e0238df4a400
PDF
Publication page2dc89ab2faa6eb62f7994b519c28908d8d905d09ead387aba13102dd1d81d0f2
Manifest07c8614f12b2ca03a62755f9aa05e4c17ccd25461e74d20ca51ecdbe23ec2ace

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
SignaturepFbcAz1mR2j/cjD++Ywf8YuvEnH4E5evVaUmLV/DBX4Uxsq+Pfb+zy1Ff3MVBjz307oEl+Ex5B4rqy+Kdh/bBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:49.039342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085879
observed 2dc89ab2faa6eb62f7994b519c28908d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.021140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085879/manifest.json
observed 07c8614f12b2ca03a62755f9aa05e4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.003310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085879/publication.md
observed 3111c101073b85f77e23a7a5c369aa95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.985528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085879/publication.txt
observed a36fa4f3a33cd4f544e225923135cef5...
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.