OpenTechnical

OT-2026-000059504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000059504) never changes.

Identity and time

Publication numberOT-2026-000059504 · never reused
Internal UUID01a0ae89-8619-7336-ad44-a25ff02d4446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059504
StatusPUBLIC

Content hashes

Canonical text7cfb09dc1f6df000f3edc1261d4072bf26d5f0f9c8e4838d65a53f7ee00eeefe
Markdown3d79fa84f79b88c6b84a8081eec6260d2b94c3e35adb1ac0d1644a284a51014d
PDF
Publication page8d3eb99b5df3758315caeb92a175b6a86a9aabd3369089643d8fe234892354e4
Manifest565e422a0a751fc9b2bb7bb0329b9273500953d4eb3b9d9015b468aec670f0e3

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
SignaturexUbODI2YyfJr/5tqx5IpPV6eSRbemvYftL4CCiKe7WHVxcxXBk+x0ImaaKYTf70O9zvhd9s0uoL9Vpk9Q1KPDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:13.092504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059504
observed 8d3eb99b5df3758315caeb92a175b6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.073423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059504/manifest.json
observed 565e422a0a751fc9b2bb7bb0329b9273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.053899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059504/publication.md
observed 3d79fa84f79b88c6b84a8081eec6260d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.032824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059504/publication.txt
observed 7cfb09dc1f6df000f3edc1261d4072bf...
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.