OpenTechnical

OT-2026-000081875

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000081875) never changes.

Identity and time

Publication numberOT-2026-000081875 · never reused
Internal UUID01a0ae97-0f76-75aa-a993-d9c6d97b7595 · 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-2026-000081875
StatusPUBLIC

Content hashes

Canonical text91923114af2fe61c7620d1e924d115ded3d5ba9d93b4d65ddf64386a7b249b67
Markdownbcdf38c6b52df8125b31f293085d45b51db9d485de97fb669b8ad97a7e9ec2b2
PDF
Publication pageb13bbabc8472fbbe9f3c52b5b9cf2f7be85c9a79b73c1fde348be196b6b9475c
Manifest90f04a97ab94fd8cf0968d09741e4a59b4908b74e0bf3465989c30b524f7122d

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
SignatureTxQqeF7pdiKH7RyYqi5SZKdtNg9zVApj1Ozqxhj8Fy+QIDwz9YNcaSX2Jw4h2+rfkVRYvWfkL+oMRuXi9c8eBg==
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

2026-09-17T10:00:59.668593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081875
observed b13bbabc8472fbbe9f3c52b5b9cf2f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.649296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081875/manifest.json
observed 90f04a97ab94fd8cf0968d09741e4a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.630555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081875/publication.md
observed bcdf38c6b52df8125b31f293085d45b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.611316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081875/publication.txt
observed 91923114af2fe61c7620d1e924d115de...
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.