OpenTechnical

OT-2026-000013382

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000013382) never changes.

Identity and time

Publication numberOT-2026-000013382 · never reused
Internal UUID01a0ae6d-6fca-7b79-ba09-bb6fd4189c85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013382
StatusPUBLIC

Content hashes

Canonical text119f95c1002e419f0b6b310d28b7579500d0b591a038718bad28eb4448e01302
Markdown02e5b9872ea19d73b2a0feb92cb77e948d662a6613fea9a472f607b073244540
PDF
Publication page793fd5c4f83439837bfeead12865984155b9d6e048d1f2c50a9b3a138c751f9f
Manifest9d0582b3d0eff178fd1810d4391de2b2d9aca672c1c3b5aadfd2b4d21d769fc3

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
SignatureLds/xEue0Gffc5bRKHiMwBiWqJJnp/SFTvbbCoCz/7MGfe/d90y+N3xOzjge60+K9AEU7GHiMvVWzSY7SwtEBA==
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

2026-09-17T12:09:51.007865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013382
observed 793fd5c4f83439837bfeead128659841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.989167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013382/manifest.json
observed 9d0582b3d0eff178fd1810d4391de2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.968834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013382/publication.md
observed 02e5b9872ea19d73b2a0feb92cb77e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.949400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013382/publication.txt
observed 119f95c1002e419f0b6b310d28b75795...
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.