OpenTechnical

OT-2026-000051331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000051331) never changes.

Identity and time

Publication numberOT-2026-000051331 · never reused
Internal UUID01a0ae83-2740-767e-94fd-7daeb4b57cd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051331
StatusPUBLIC

Content hashes

Canonical text0a6a9fda3b6e645127cd28bee1b41b79b4d0e2ee41a90aeca17d3689977c8bfa
Markdown5ecaacd95316a61025aa912c4125adf6d12151f368ff7d0721c1bfcb322ceb7a
PDF
Publication page33fb1e6b81d634ba4fe382a9019b66084439aaaa7a3fd402daab7e2cb0b890b1
Manifestd1dd6a47d5a9a01722a96e13d3abfec89bb170cb5938a504bd49b6c27fd91667

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
SignaturenwgsoztMx28JdPv6GdZxzeQ/HT3jBtqK5oA6dkq4QCXbc0FCmVrA2aUbv4HluQMCIXyvdwhzpOFCWkfaK5olAg==
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

2026-09-17T10:59:12.834418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051331
observed 33fb1e6b81d634ba4fe382a9019b6608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:12.816041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051331/manifest.json
observed d1dd6a47d5a9a01722a96e13d3abfec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:12.798411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051331/publication.md
observed 5ecaacd95316a61025aa912c4125adf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:12.779742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051331/publication.txt
observed 0a6a9fda3b6e645127cd28bee1b41b79...
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.