OpenTechnical

OT-2026-000050407

Publication integrity record

Three bellows 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-2026-000050407) never changes.

Identity and time

Publication numberOT-2026-000050407 · never reused
Internal UUID01a0ae82-5c48-77ca-9396-122cd303a65f · 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-2026-000050407
StatusPUBLIC

Content hashes

Canonical text2ff9f4fc526bf0e4b3a676a1d783c815e3296016c43b9e4f475093addbbdec0d
Markdown53986b34f1e3cdebba9d0b3a2c0ddb0528a3b7650e096d7430a52629060b3f8f
PDF
Publication page3e944aa546436fba4c68d8188bc6dbbdd95bb104617b7b9f6dd7113797e0f9e6
Manifest8c6f8e27284d263186b577fb0549929303393a61182595bf424f0e0bfa3852d8

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
SignatureGnzYCYdpSdk6oE+2RXRiDhEkrArh21DRerhhaUDsR7lPSgyGrtw2P71qxcQxTv8pB0Cr1bh8gPaHJRE+y8bvBA==
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

2026-09-17T11:01:26.980035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050407
observed 3e944aa546436fba4c68d8188bc6dbbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.963415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050407/manifest.json
observed 8c6f8e27284d263186b577fb05499293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.946788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050407/publication.md
observed 53986b34f1e3cdebba9d0b3a2c0ddb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.929840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050407/publication.txt
observed 2ff9f4fc526bf0e4b3a676a1d783c815...
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.