OpenTechnical

OT-2026-000076515

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076515) never changes.

Identity and time

Publication numberOT-2026-000076515 · never reused
Internal UUID01a0ae94-6a71-779a-a58f-dd231bf65a7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076515
StatusPUBLIC

Content hashes

Canonical text61f8015c728c8be025c244283fa2f3546be64687d23f05d05db5bac2a59e02de
Markdown9e9a897987d4a2ce6243302aa73ec95a7fdbe79b7e52bbd332157aa9cd93895e
PDF
Publication page08784f8512b66db76d8bffe72ab9c3d260afadedf4e5af27c4abb61a52607b51
Manifest45603f7816baa764a676d4e22601b25fa80f99581155b14b77f0710515ec289f

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
SignatureqejGJsGLSF8On1SSnixuCGdcOKgM+e5Rs7pbgT7Qh1HqBxms2VhE+sRMi7XysH+FTZXWDUoRKgeh1Ci3ziltCQ==
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

2026-09-17T10:12:49.705821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076515
observed 08784f8512b66db76d8bffe72ab9c3d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.566187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076515/manifest.json
observed 45603f7816baa764a676d4e22601b25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.547065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076515/publication.md
observed 9e9a897987d4a2ce6243302aa73ec95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.528172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076515/publication.txt
observed 61f8015c728c8be025c244283fa2f354...
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.