OpenTechnical

OT-2026-000086129

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained 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-2026-000086129) never changes.

Identity and time

Publication numberOT-2026-000086129 · never reused
Internal UUID01a0ae99-e82b-7b25-9c01-f6b9f6af78af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086129
StatusPUBLIC

Content hashes

Canonical text7e5ade1990733dce2d1f699f082b68532b65f19141721a077065b8a0723a3e95
Markdownd8b724876a21f3ad004dd7321856ad0b2284f6ebed8ddd064b29eeac1d96b0cf
PDF
Publication pageff47e2b9bd1ea6cb7d6d32484f7064a4eacb3c85a1c12e563ad815b60497150d
Manifest867679dfab144c0a5d0df3d4d9a2c6a1c07b963f7ea5a6f2c73df2ab97903a22

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
SignaturebRzvBRbIqTytXUWKm1RjEhXosl1hp5s1+pq35P68C4/M0kjMLlNA7/5aoOYXCywrvInLyJ8yhCDvzjCk9hXYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:47.306917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086129
observed ff47e2b9bd1ea6cb7d6d32484f7064a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.288627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086129/manifest.json
observed 867679dfab144c0a5d0df3d4d9a2c6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.271978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086129/publication.md
observed d8b724876a21f3ad004dd7321856ad0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.255153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086129/publication.txt
observed 7e5ade1990733dce2d1f699f082b6853...
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.