OpenTechnical

OT-2026-000032377

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000032377) never changes.

Identity and time

Publication numberOT-2026-000032377 · never reused
Internal UUID01a0ae75-106e-7a4d-9d92-b3ad0db7b3eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032377
StatusPUBLIC

Content hashes

Canonical text2894afe194abf2db5b9edcb49f0c4e5c62d812dea49da79c54c324eb269a017a
Markdownb34ecd1b5f4e4b684f14925657a668834fb177142dab02ca2298b8c3b7f1398b
PDF
Publication page51f2d5c09d99f4b76a3c1e0801beeb0f069723f62c7985da7d878bfab74bbba7
Manifesta5c80589298b92e7d19e5c1f82f11b846458b466986a9a06a24d17b5a6235719

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
Signature2p5B76myLui0bEHBHCRhWD3WjQ1pTYY2iDHy7LE/eaqTr1aZI82QKDCu4e9XwY451C6Z8cqJK3GDeXfOrvlZBQ==
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

2026-09-17T11:33:46.967156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032377
observed 51f2d5c09d99f4b76a3c1e0801beeb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.944046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032377/manifest.json
observed a5c80589298b92e7d19e5c1f82f11b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.925910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032377/publication.md
observed b34ecd1b5f4e4b684f14925657a66883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.908218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032377/publication.txt
observed 2894afe194abf2db5b9edcb49f0c4e5c...
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.