OpenTechnical

OT-2026-000017411

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed 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-2026-000017411) never changes.

Identity and time

Publication numberOT-2026-000017411 · never reused
Internal UUID01a0ae6e-76c9-7a1b-9496-45d71e2080b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017411
StatusPUBLIC

Content hashes

Canonical text079e2f45b8fe197b0dc3db7ed2f4f5f79bfd58719e15eba9bc465ea22015dc74
Markdown6df0abdc78ff2d63ade6aaa9a48c564a1bc1af8b7964d2df97c54bac608bac47
PDF
Publication page756ee648c8caa5548d4b56d24adfed50df6c9d13159ff27141685af341bdd24a
Manifestf814747e18dfffe9e486ea5bbd77cf81e13c84436dc973500aa7972c7e14f3c8

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
SignatureaELT9ZGzxX6l/LWhiktHz+gmIY6KpN5O1nEMZXgIg3snMZI+k508od8NwWzuojWhQ9RCsqwAvKqaZj3pCwPRBA==
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

2026-09-17T12:02:32.308149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017411
observed 756ee648c8caa5548d4b56d24adfed50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.292471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017411/manifest.json
observed f814747e18dfffe9e486ea5bbd77cf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.275716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017411/publication.md
observed 6df0abdc78ff2d63ade6aaa9a48c564a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.257547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017411/publication.txt
observed 079e2f45b8fe197b0dc3db7ed2f4f5f7...
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.