OpenTechnical

OT-2026-000037975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000037975) never changes.

Identity and time

Publication numberOT-2026-000037975 · never reused
Internal UUID01a0ae77-f88a-7c35-99cf-9b791ec4c334 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037975
StatusPUBLIC

Content hashes

Canonical text87e04fe4854e4be4332c5a81f65a8972852e13db08136d0b22742c456c43183b
Markdown1b8e933d8a8498f2b17b15d043857c7bc72f7d28fac9551506e4d27108ea0870
PDF
Publication page367bdfeb8e57a6eaa4f19b8a3644c77b67e1f5f69b9f14ff3f5a9933a1f70215
Manifest40249c838835da8fe969414f182b9ac216009dbe082e22e85629385e615e7463

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
SignatureDpKmGfkZR9BGIfqjkvQwse1NIZoDKRr8zyHuI6N1Wd3IX6TqcpGBZ0h1eIm10tDM66uqpVFyIPWqiOrGOZ7eAA==
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

2026-09-17T11:23:16.125675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037975
observed 367bdfeb8e57a6eaa4f19b8a3644c77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.109771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037975/manifest.json
observed 40249c838835da8fe969414f182b9ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.092327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037975/publication.md
observed 1b8e933d8a8498f2b17b15d043857c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.058042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037975/publication.txt
observed 87e04fe4854e4be4332c5a81f65a8972...
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.