OpenTechnical

OT-2026-000081511

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000081511) never changes.

Identity and time

Publication numberOT-2026-000081511 · never reused
Internal UUID01a0ae97-0f70-70fc-84a2-e3f8f5100e2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081511
StatusPUBLIC

Content hashes

Canonical textc9de83157e85084af433bf4095d33043bef44a2c008ae9aa2ce1ed5e2dc878c1
Markdown601d369863bf6fd177f2f2bf9884180adffed4f5e85407e96e3adf6e6393ca99
PDF
Publication page22db29a112074032bb3f59b17e588335b94b08bb41b74e5940791cec6aea33af
Manifest44f6c8a56725187333aa72af59c6d0de06186a55c5abf3bde265814b7df57374

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
SignatureRbhHk1fZFHseSjAVMb6WSMmk+4Xk7a52xNAni+kWPrVxKRqydbMO+HpI86tBx2Akw+3dbocg3DmVnjpU7N3LDQ==
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

2026-09-17T09:59:31.590002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081511
observed 22db29a112074032bb3f59b17e588335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.573138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081511/manifest.json
observed 44f6c8a56725187333aa72af59c6d0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.557340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081511/publication.md
observed 601d369863bf6fd177f2f2bf9884180a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.539936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081511/publication.txt
observed c9de83157e85084af433bf4095d33043...
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.