OpenTechnical

OT-2026-000045427

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000045427) never changes.

Identity and time

Publication numberOT-2026-000045427 · never reused
Internal UUID01a0ae7c-f76c-7c74-a6c5-260c4a67649c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045427
StatusPUBLIC

Content hashes

Canonical text44b11d65457e93eb68088494bc354870f3fb33b6eb21711a8178105d182198a6
Markdown55188c1a8fc3b76d62ba3fcb5018becce19ac88a4f8275cf0c08cff69416865a
PDF
Publication pageaa5d3c9a91910e975da8124c7f68a76bf811ed4fa4acbde7c6e2f9b459f89a01
Manifest044d64707b1a793a087ab40fdacd407c68784d0a5e299f8d3a78b9ea54418879

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
SignatureRdsjsMEyJNiFUCAySI72Y8zWnej9RZmAsyXgE+QyaB7u9HlsShFhzGBPzlo0EOEFgf0jyJfDdydeJeKoSzdLDg==
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

2026-09-17T11:10:43.327186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045427
observed aa5d3c9a91910e975da8124c7f68a76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.310762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045427/manifest.json
observed 044d64707b1a793a087ab40fdacd407c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.294297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045427/publication.md
observed 55188c1a8fc3b76d62ba3fcb5018becc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.276064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045427/publication.txt
observed 44b11d65457e93eb68088494bc354870...
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.