OpenTechnical

OT-2026-000015589

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000015589) never changes.

Identity and time

Publication numberOT-2026-000015589 · never reused
Internal UUID01a0ae6d-ef4c-7867-b22b-c83346d15d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015589
StatusPUBLIC

Content hashes

Canonical text131a43499f34b09c25cd96f1516a473fdfb134c00c35d4a058bb88ca3c5930f6
Markdown645bd42d945a74173b9c223764af1838df464e59fbff37bbfdc354e93e718011
PDF
Publication pageb3fa6d89628dd22efac3bbc5dd33c204211192f18792567af5c49b0ab0bddbce
Manifest96fd01bce855af74a7e19220ee06a638168a2f5f4ad68a3c5fe442cb4927780f

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
SignaturelElAo0O4/eQOtCZQ50zmSWblRAXpBKDfQDJoz89td5iSvrX3Z17S3YG9OFqEd5P5LmtKDZRdFaMlkB0ed9lcCg==
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

2026-09-17T12:06:23.270546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015589
observed b3fa6d89628dd22efac3bbc5dd33c204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.252562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015589/manifest.json
observed 96fd01bce855af74a7e19220ee06a638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.232010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015589/publication.md
observed 645bd42d945a74173b9c223764af1838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.210728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015589/publication.txt
observed 131a43499f34b09c25cd96f1516a473f...
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.