OpenTechnical

OT-2026-000083428

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000083428) never changes.

Identity and time

Publication numberOT-2026-000083428 · never reused
Internal UUID01a0ae97-c964-7149-b444-0135179e7683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083428
StatusPUBLIC

Content hashes

Canonical text685c97faf5fe87a251a81175498f0c3d24f6b0be5095883212b0ce6f43ca0feb
Markdown6c8782e205fe9fdf394c8494ad0ba525fea4c230f51c2f357c7e8e9ce754732c
PDF
Publication page760d09c6ca8e2af661b89321fc8020b59afd37342e2f30e25d06f958ad00a51f
Manifest114f6881f77fdad6427199e2f278ebde82707cadaea164087a5b329d45349d26

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
SignatureYd9D908WWl2AFOMtTeXvt0X8rZmoMK71a93Qoc6SmYglDJx1m268yIb8wKrvCWc//80g0o0QevkqQmjjaH2LDw==
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

2026-09-17T09:57:50.645837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083428
observed 760d09c6ca8e2af661b89321fc8020b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.626396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083428/manifest.json
observed 114f6881f77fdad6427199e2f278ebde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.608121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083428/publication.md
observed 6c8782e205fe9fdf394c8494ad0ba525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.590543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083428/publication.txt
observed 685c97faf5fe87a251a81175498f0c3d...
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.