OpenTechnical

OT-2026-000084905

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000084905) never changes.

Identity and time

Publication numberOT-2026-000084905 · never reused
Internal UUID01a0ae99-43b4-7085-bdd0-6cbe81c5c994 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084905
StatusPUBLIC

Content hashes

Canonical text8fdc95ff0d3af9dab8ca57f2060aeadc1d8cdbc775479d7a99d64ee316f64b3e
Markdownf760ad33f9c0052238786f43fa12f20cb713c00bae02bfcbad4a573cef10ff83
PDF
Publication page516c355f14841efbd6140050924138a70cdccec3fecaedfcee8f985fe609ab0e
Manifesta8d4f13cb347804cec4b52e581d427c6fb4e0954230bf89f8a04d4911fbfd764

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
SignatureP5+f1+YXv/YhxAseRxGGFr7kPuT6TDAuenHbPPPVShbvGjeH03q1JcYKeDn8mc8s98+sUuRtqZudGYTT/HHbCw==
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

2026-09-17T09:54:53.119829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084905
observed 516c355f14841efbd6140050924138a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:53.094036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084905/manifest.json
observed a8d4f13cb347804cec4b52e581d427c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:53.074870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084905/publication.md
observed f760ad33f9c0052238786f43fa12f20c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:52.964188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084905/publication.txt
observed 8fdc95ff0d3af9dab8ca57f2060aeadc...
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.