OpenTechnical

OT-2026-000050047

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000050047) never changes.

Identity and time

Publication numberOT-2026-000050047 · never reused
Internal UUID01a0ae81-fd78-78df-880e-fc5ff1ce7899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050047
StatusPUBLIC

Content hashes

Canonical textec4dad37330dc397d321c02ad388b6562c9f68c316de79f35d342cf7c3425bad
Markdowncb2b1fddea439e8e5cf33fe3abbb6b6131a80ff225af2d0eb46a703ef2382d20
PDF
Publication page94d809723af7bc33151fdf246fcc14f54354186954016498d64eb97b298cbf21
Manifest70caf5425662aa6b9804ae9153ff932ee3a690ccc85bdef6d440ec59a97835fb

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
Signaturefbte2YDyck6MOrmuOHhPwSFCOyQG3xx4FB4kj4ZWpIbtJ3wHvai/e0Gxq2whLbgOywvWS+vrg31Ahd7keY/hBw==
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

2026-09-17T11:02:01.577228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050047
observed 94d809723af7bc33151fdf246fcc14f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.557147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050047/manifest.json
observed 70caf5425662aa6b9804ae9153ff932e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.537934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050047/publication.md
observed cb2b1fddea439e8e5cf33fe3abbb6b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.518185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050047/publication.txt
observed ec4dad37330dc397d321c02ad388b656...
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.