OpenTechnical

OT-2026-000041174

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000041174) never changes.

Identity and time

Publication numberOT-2026-000041174 · never reused
Internal UUID01a0ae79-b143-7b4c-82cc-9656ea714842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041174
StatusPUBLIC

Content hashes

Canonical text892537a96c0aaf52ba52ed26f1ff394040459dd75a663b14a160631f7280929a
Markdowncdce837c67878bb1bc646cab7b2a327bde35b49d87fcba3f872fc9244b928790
PDF
Publication page9e1a1a407439a82084fae6f583190a8ec2d1769a423f28b9dd1ae4f22f12441a
Manifest9ae3ab354efb4f0d65fceb7adadaf5076724ef8679f79e3d434732755404d58e

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
Signature0Jk5TvA8NdLxTWjNz0xbvyQIKBHC4aI2Ytwz4dIl7IudR+5euJtqbruKeBKzHBzySGWXmuZh/r3okLDQ5TNwAA==
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

2026-09-17T11:17:07.284097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041174
observed 9e1a1a407439a82084fae6f583190a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.267244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041174/manifest.json
observed 9ae3ab354efb4f0d65fceb7adadaf507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.249291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041174/publication.md
observed cdce837c67878bb1bc646cab7b2a327b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.232711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041174/publication.txt
observed 892537a96c0aaf52ba52ed26f1ff3940...
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.