OpenTechnical

OT-2026-000012009

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012009) never changes.

Identity and time

Publication numberOT-2026-000012009 · never reused
Internal UUID01a0ae6d-1943-7554-a8dc-11a7fbfb9a93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012009
StatusPUBLIC

Content hashes

Canonical text03e3289d6525ecbce2843cec033983aab857ceede2681c1acc46404a8cf1c6f1
Markdownc38cc2417e8a09484d5080ac1ac1ea9acbef88aa79c13830210793ddb2ea30d8
PDF
Publication page69d4e27e4027bbc30f4284c5739b7f7672836dad94428dd3ae48702e5d9bcd93
Manifestbb2a4df38fffa79607376b0b6761b91886977187aee3e2b5d691f8992e09e0d0

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
SignatureZgGew9Qi8rfzLyj19nY8D8+idfGQXPB5AMMgqwWVGgPRrYi37E3MSHk9RBydSfMIwj80ajQGGcKf4dyQ/S5pAg==
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

2026-09-17T12:12:52.622647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012009
observed 69d4e27e4027bbc30f4284c5739b7f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.604011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012009/manifest.json
observed bb2a4df38fffa79607376b0b6761b918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.583650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012009/publication.md
observed c38cc2417e8a09484d5080ac1ac1ea9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.564120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012009/publication.txt
observed 03e3289d6525ecbce2843cec033983aa...
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.