OpenTechnical

OT-2026-000015556

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000015556) never changes.

Identity and time

Publication numberOT-2026-000015556 · never reused
Internal UUID01a0ae6d-ef4b-764e-9ae7-16b75ea0e3bc · 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-2026-000015556
StatusPUBLIC

Content hashes

Canonical text1d81781b0a468bfcacd966add30841850b9ac90be3ccef8d3eefe83fc29acdbf
Markdownf8105bbc0d0880f191152c65b2560ee278c4fce0dfac35b0dd2390fa34e3b15a
PDF
Publication page1603716f0c86acd9c32253e1730b8a65f8194468b1c9a20183c1be7a694adc02
Manifest3331397e008371ef38d9e76dae121c458ccf2a16514854884a12c38aaff10a3d

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
Signature3S3ygj/e1mHQHBpYgt7eOCSp7dlKebHq37pKLlVSSEt6GpqyCNAB7+ttHi1RmwP2+g25ezO+xPByvVeP/SG7AA==
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

2026-09-17T12:06:20.601051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015556
observed 1603716f0c86acd9c32253e1730b8a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.582417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015556/manifest.json
observed 3331397e008371ef38d9e76dae121c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.563436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015556/publication.md
observed f8105bbc0d0880f191152c65b2560ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.545233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015556/publication.txt
observed 1d81781b0a468bfcacd966add3084185...
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.