OpenTechnical

OT-2026-000023803

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000023803) never changes.

Identity and time

Publication numberOT-2026-000023803 · never reused
Internal UUID01a0ae70-aed5-759c-b5fc-f40670156c51 · 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-2026-000023803
StatusPUBLIC

Content hashes

Canonical textd1fda32abfc595ef44c087afc2309c30c2456eea2836f69ff6a2a750e86b2126
Markdown2a4478378348c74b2c94a315e552009b69fb26ad515b0c7fc7b5b17abf465383
PDF
Publication page9c5e164b4d933103363f5a7e3561dd5b3a4e5200e119d99579261675a6114d17
Manifest0a30ca402e1990f243ac2f18cddd9ea461c6fe9561ffc4d2f13230955369801d

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
SignatureWWCK11v7/SopT7Fqm0C3ewRbo1v5m7qqQLQfo/0dkIwOu+sf3iAcHfZAmfvuxDtKIepsxvfwJWqSoDC6U1FuDQ==
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

2026-09-17T11:50:16.904691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023803
observed 9c5e164b4d933103363f5a7e3561dd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.886767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023803/manifest.json
observed 0a30ca402e1990f243ac2f18cddd9ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.870522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023803/publication.md
observed 2a4478378348c74b2c94a315e552009b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.850140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023803/publication.txt
observed d1fda32abfc595ef44c087afc2309c30...
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.