OpenTechnical

OT-2026-000018224

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000018224) never changes.

Identity and time

Publication numberOT-2026-000018224 · never reused
Internal UUID01a0ae6e-b488-7b92-8f8e-7bdea1ea8394 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018224
StatusPUBLIC

Content hashes

Canonical text12eab4d6abc5fc7a6943da3ec3406bd19a0748e47fe927965973ed4931d716de
Markdown51ab6d56b6aa5e7efc6965e138bbf9dc453ed1751bd0bdc1151385f7ba202887
PDF
Publication page42fad2b8eaa952a82fb5d74abcce76c01fdbef43bcccc878b4d1a607373972ce
Manifestff715e9897abc73a9d9e7ec1c163b610ca6a6b5cc833dfc03594828061008c86

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
SignatureEN+pwWhMmVG6ss2YkTvVxfs9lBjwYS/YK81S74QWrxFLXh18CXYfq1CFp85quUlgJQQC/JzRBtJN5HWJ0t1sCA==
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

2026-09-17T12:00:00.747817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018224
observed 42fad2b8eaa952a82fb5d74abcce76c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.725216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018224/manifest.json
observed ff715e9897abc73a9d9e7ec1c163b610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.700419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018224/publication.md
observed 51ab6d56b6aa5e7efc6965e138bbf9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.678542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018224/publication.txt
observed 12eab4d6abc5fc7a6943da3ec3406bd1...
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.