OpenTechnical

OT-2026-000081877

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000081877) never changes.

Identity and time

Publication numberOT-2026-000081877 · never reused
Internal UUID01a0ae97-0f76-70c0-8b93-e0e0a6a77d0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081877
StatusPUBLIC

Content hashes

Canonical texta837d8ff1aa16dc3c41c68dd188f9f3e96babf6a3372311272a16bc973b6220b
Markdown3d5d26e6ba27ecc753084110e9cbff2ab3bbea0fba1226b83246e711fad795b4
PDF
Publication page2c4d8fcbd79835197b0eef905c036b94f494f21a60d2650805e3770ae51e037f
Manifestbb4e0ef3ba9e8e6b6be78ae97fd56e2a3a674dc22955eed83a90e761503da19f

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
SignatureS1QO9eBAs2YQ9FBMHAllph/5txg0wHQrQvDTJHnz5MsKnj/a7fjQlRKlEigXgIPUR7jn9O4za9Hfz5oQqwzSBQ==
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

2026-09-17T10:00:59.814938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081877
observed 2c4d8fcbd79835197b0eef905c036b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.796043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081877/manifest.json
observed bb4e0ef3ba9e8e6b6be78ae97fd56e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.778430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081877/publication.md
observed 3d5d26e6ba27ecc753084110e9cbff2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.760265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081877/publication.txt
observed a837d8ff1aa16dc3c41c68dd188f9f3e...
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.