OpenTechnical

OT-2026-000050443

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000050443) never changes.

Identity and time

Publication numberOT-2026-000050443 · never reused
Internal UUID01a0ae82-5c48-7774-b1cd-1caa462006cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050443
StatusPUBLIC

Content hashes

Canonical textfcd083ecb612fcda91ea55d0f96afe6b58b55f08e0e5af40cb8ce372e3af3d2a
Markdown0f66f56d5725cf5ea01bfe6a040d6cc1d4c8f33b805ddc019d62794db684db60
PDF
Publication page81998577c4be126d7b0aabf74032b1b14f8b3501a5e3fdcc484ce20933708fa0
Manifestbfd017876f1f24bd3bc2c63a4bb4a11d31a8aa77dbbb8212ac49b63554c85989

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
SignatureNw/mG0LNeOkcZdHRqUgDvrRM+TdfyGfifVqBeoKpWTDx0T6iXdlijGXbHYnX49RciwfGLj90YK4ljged/zZqBw==
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

2026-09-17T11:01:29.485654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050443
observed 81998577c4be126d7b0aabf74032b1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.468131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050443/manifest.json
observed bfd017876f1f24bd3bc2c63a4bb4a11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.433416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050443/publication.md
observed 0f66f56d5725cf5ea01bfe6a040d6cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.399180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050443/publication.txt
observed fcd083ecb612fcda91ea55d0f96afe6b...
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.