OpenTechnical

OT-2026-000082990

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000082990) never changes.

Identity and time

Publication numberOT-2026-000082990 · never reused
Internal UUID01a0ae97-8cca-761b-90a3-14f7ae232e6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082990
StatusPUBLIC

Content hashes

Canonical text9d751df1a3842dc39e9a87db21f476258a03ccf104e69f7675de2a4d144c2603
Markdownf6221b1610c3fb1b50f9a58ab4cf6352c9c19ba4065fa83535695b8b9908232a
PDF
Publication page84de614022e7f308efef10000798b7842f772f8231fdeb38d6a94a951e32ec55
Manifest880ee2d4ae6f26c863ec2a44971913c91acd926b79ed365edef6018572cb517c

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
SignatureBJOIe91cOjyA291Bf5THSl4DUa0vfp538BBp2OV4ZlbtLb/4F1s8LdEmEagtQGrGceqjlmWwgJtIYekfXuuQAA==
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

2026-09-17T09:58:41.714886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082990
observed 84de614022e7f308efef10000798b784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.698854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082990/manifest.json
observed 880ee2d4ae6f26c863ec2a44971913c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.680348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082990/publication.md
observed f6221b1610c3fb1b50f9a58ab4cf6352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.662498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082990/publication.txt
observed 9d751df1a3842dc39e9a87db21f47625...
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.