OpenTechnical

OT-2026-000081805

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000081805) never changes.

Identity and time

Publication numberOT-2026-000081805 · never reused
Internal UUID01a0ae97-0f74-7f8a-9039-db65ae40abe7 · 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-2026-000081805
StatusPUBLIC

Content hashes

Canonical text6f19304bb9108ea4f1573de3b6984f3fd8489f52624b526130291982065375d1
Markdowna8e88d3e77a485db288660b74e51335dad4cb5af9d3125888352e28fb9e33928
PDF
Publication paged9c9c554d647c354aff03a8ae630318f57848cd39064be64b340e6f42cc5ee96
Manifest92a45fb79d002c0bb4d2fb5a35f0e773c0e21396647b13d0627939f16882fb5e

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
SignatureJ/0+iZ87ceVj7pAPJClemzxPZkWEdhwBP6MSaYILF6ZP/cSV5vewQlpa9njoVOcE9eLlL6qBeePBxpF0Fg6ZBQ==
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

2026-09-17T09:59:54.445868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081805
observed d9c9c554d647c354aff03a8ae630318f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.425645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081805/manifest.json
observed 92a45fb79d002c0bb4d2fb5a35f0e773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.409112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081805/publication.md
observed a8e88d3e77a485db288660b74e51335d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.391881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081805/publication.txt
observed 6f19304bb9108ea4f1573de3b6984f3f...
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.