OpenTechnical

OT-2026-000041412

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000041412) never changes.

Identity and time

Publication numberOT-2026-000041412 · never reused
Internal UUID01a0ae79-b145-70ad-bfe8-3f172014b1e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041412
StatusPUBLIC

Content hashes

Canonical text65fe51555780ceed090dd13c03609815ae6de0f9e5bdfe0428468f4ef03d28e6
Markdown3678bea248dd8c9f7136ba6d7b8a4183420090475d3df51159e54bb8f525dfb1
PDF
Publication pagee281f7bce8e07d55a942848064faa5214319c915eda735e440d393d05a4ce2a5
Manifest4bed7c89dd4837a26560e8f9a1b2d1b774925db88d67cdc003706cdf65589564

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
SignaturektSJ/Qa8gUfwo1xnzwJDnu6ddO/6PKOR9+5yLiQTuyJB3AeBR05KR7vqDoLI/kD7l4TuJ4RUgD6F0itgaI4YBA==
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

2026-09-17T11:17:25.625198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041412
observed e281f7bce8e07d55a942848064faa521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.609389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041412/manifest.json
observed 4bed7c89dd4837a26560e8f9a1b2d1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.591439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041412/publication.md
observed 3678bea248dd8c9f7136ba6d7b8a4183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.573106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041412/publication.txt
observed 65fe51555780ceed090dd13c03609815...
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.