OpenTechnical

OT-2026-000079577

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000079577) never changes.

Identity and time

Publication numberOT-2026-000079577 · never reused
Internal UUID01a0ae96-0b92-7c79-ad38-770d60d6449a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079577
StatusPUBLIC

Content hashes

Canonical textbf3fbc00886739a63ff9d7f1bf1c1808d8d87537095ba9c88d00dc2141579505
Markdown74e105253d02f3eaa5ac0d7f4647e486b3b714e9fde21a6cd40361e349224657
PDF
Publication paged22cd112ea08ff8225d378e2f33d61df58f45767334f8b9dda7f59166405a707
Manifest9a82e079a13b558fab2108e4c6957acad84dc9e1a15a48cb3028e93a6d548606

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
Signaturehs1QKMtls0PManKZnUSn8GDZ0SHz4jMYl4EIxP9JK2EfbQpzF/cLvVd0OtjEpdGGw6xZdDrFRICCZbC55xfKBA==
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

2026-09-17T10:05:13.804222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079577
observed d22cd112ea08ff8225d378e2f33d61df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.784410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079577/manifest.json
observed 9a82e079a13b558fab2108e4c6957aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.765002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079577/publication.md
observed 74e105253d02f3eaa5ac0d7f4647e486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.746907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079577/publication.txt
observed bf3fbc00886739a63ff9d7f1bf1c1808...
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.