OpenTechnical

OT-2026-000039964

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000039964) never changes.

Identity and time

Publication numberOT-2026-000039964 · never reused
Internal UUID01a0ae78-d8d7-7b0a-b8c5-d67d89035be0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039964
StatusPUBLIC

Content hashes

Canonical text83776fb259c157732f506bc324a51f05f8286e0f32a02df15cef194ab26cceea
Markdownb93bd82d6bba1755b79e69a7c7e10327b698435d72f9eed74cc250fc2876fcd1
PDF
Publication pageb067d0a8b9b38ffeed99081ee743c35f9603a6a22f16c8186a09720dd1f0b8ea
Manifestfbdf89ce1715582b11c31dbe2a7a234d98567f6209b2379645baba8a81c431bd

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
SignatureMcx15WtyaITK+ZXIcY3BPTTyzzqz4s1XjMdwROiKLZimInN9haumW3ZyrGDNi6fKbWN7ksU6jSfr1PsVGJsVCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:17.192632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039964
observed b067d0a8b9b38ffeed99081ee743c35f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.172068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039964/manifest.json
observed fbdf89ce1715582b11c31dbe2a7a234d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.147108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039964/publication.md
observed b93bd82d6bba1755b79e69a7c7e10327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.127624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039964/publication.txt
observed 83776fb259c157732f506bc324a51f05...
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.