OpenTechnical

OT-2026-000011290

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000011290) never changes.

Identity and time

Publication numberOT-2026-000011290 · never reused
Internal UUID01a0ae6c-5410-75db-8275-8f731d0aa691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011290
StatusPUBLIC

Content hashes

Canonical textde4f7b276496ed41928b4c2a7a55ef48c5ad4b60e3be920d627119c5edb2e199
Markdown611fec5f7fc89287fb371fb2a7d7e2036bddc6ef672acc56b6b6bce8fe1e3209
PDF
Publication pageaf7b8d71f598fef71b887fc9789f2e051426a29a26c3a4efc5df86266b02afb7
Manifestd763dc1b6a1a01c44ae8acf91f749aa651f81788110471d66ddd071e283d8540

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
SignaturevOGz2cNWQxpBR4e3FaEI8EqE6saHrep1KBUMkpQfNRyOFx++asdvYO3WD+VbNJvgL34IaOtKdPbCAaanUCRQAg==
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

2026-09-17T12:13:32.405727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011290
observed af7b8d71f598fef71b887fc9789f2e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.387531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011290/manifest.json
observed d763dc1b6a1a01c44ae8acf91f749aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.369801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011290/publication.md
observed 611fec5f7fc89287fb371fb2a7d7e203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.351166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011290/publication.txt
observed de4f7b276496ed41928b4c2a7a55ef48...
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.