OpenTechnical

OT-2026-000040676

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000040676) never changes.

Identity and time

Publication numberOT-2026-000040676 · never reused
Internal UUID01a0ae79-6d0e-75d9-8571-c57414da1434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040676
StatusPUBLIC

Content hashes

Canonical text1a39f338c6346d281e929823d47636af30af17586043dc3780a789561ebf0513
Markdowne299b27707447b5bd1f7c36bfb2f52380b23fbabd0ab134afe3df3c9219eec06
PDF
Publication paged488c53de600dc4a329908e14627f06deb58d8c7c3a8a816e12fefd71f07a0d0
Manifest3b41a508649ce57148b5d19047348ec275c29b616e7142543e819b5f3bd7dee9

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
Signaturek35m2F+aRSOxnOJfvplRLYx2KPRo2Mhq1+KhEixD5LdLEZGXptMSQ+NOvsv7PCeoNlCWS9+HsUPFeXOeC6SqDg==
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

2026-09-17T11:17:52.224755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040676
observed d488c53de600dc4a329908e14627f06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.206575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040676/manifest.json
observed 3b41a508649ce57148b5d19047348ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.188010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040676/publication.md
observed e299b27707447b5bd1f7c36bfb2f5238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.171308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040676/publication.txt
observed 1a39f338c6346d281e929823d47636af...
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.