OpenTechnical

OT-2026-000023771

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000023771) never changes.

Identity and time

Publication numberOT-2026-000023771 · never reused
Internal UUID01a0ae70-aed5-717e-a103-f02b147b371c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023771
StatusPUBLIC

Content hashes

Canonical text4c99763e9b2adc2b84b60ec094ee91e407d0582f4393a2b4c4fa324078602841
Markdown8c2ab0454c9314fae057d705d2446f32811918cd2c046b481846e2ad4898bd13
PDF
Publication page0ef61fc41d1747ed719c6724fec1e15275ed6669fb6c65a2fab8bed495d62db1
Manifest3f24d6dd075edd76ffba7e4eaa8417a846644c48ef4214a3ea37a2249697c37d

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
Signature1uvi4PY1SqQjnBwCZ1EmKbTDN0I9NsWveEyQxHvT1A0GMt+l2E9jo30taK4dxGqRtKCFcH/rE54HM2l9eWpdDQ==
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

2026-09-17T11:50:14.280165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023771
observed 0ef61fc41d1747ed719c6724fec1e152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.247237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023771/manifest.json
observed 3f24d6dd075edd76ffba7e4eaa8417a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.223459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023771/publication.md
observed 8c2ab0454c9314fae057d705d2446f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.159283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023771/publication.txt
observed 4c99763e9b2adc2b84b60ec094ee91e4...
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.