OpenTechnical

OT-2026-000011400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000011400) never changes.

Identity and time

Publication numberOT-2026-000011400 · never reused
Internal UUID01a0ae6c-88fe-7f16-8bf9-6f6149210a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011400
StatusPUBLIC

Content hashes

Canonical text16722c033977fefccf427a09cf46c1d19652adf25644189e2f0a5e810db96528
Markdowndd3dc0f178cd4947fc6d4a56952beadf5fba185a3e97c8327b63fdbb320be64b
PDF
Publication page6e1827bf5339b88df49ebdbc53582e0423b4b87312886c854b343fa1966fbd6d
Manifestece6aa5dcb3a41058deb9166b7b1de15c173df73dacbc76d3d8eacfb8b9eedc2

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
SignatureFWN0wfvXDS3wUASxgbO1/b47ObR39LbADL51X2dtybNw7ZQ0U8SocQd6FCYaGcWVR4DUTjVyxVW63A1FyN8gBg==
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

2026-09-17T12:13:08.926576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011400
observed 6e1827bf5339b88df49ebdbc53582e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.908390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011400/manifest.json
observed ece6aa5dcb3a41058deb9166b7b1de15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.886885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011400/publication.md
observed dd3dc0f178cd4947fc6d4a56952beadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.868162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011400/publication.txt
observed 16722c033977fefccf427a09cf46c1d1...
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.