OpenTechnical

OT-2026-000071069

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000071069) never changes.

Identity and time

Publication numberOT-2026-000071069 · never reused
Internal UUID01a0ae91-8c2e-784b-9969-06fdf9078ebd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071069
StatusPUBLIC

Content hashes

Canonical text2148e6782ebb824f9762f7a91a1c1ae3457e88e9b02a8b9b3972a0c6a06d2fc8
Markdown1c82c6708f7d9e3c9aa8473b89546000e1985ab510273dc9d734645a6bd76793
PDF
Publication page4da7f2c6a0604f4891a90b9c47e968bff04f535d5858393c24a74969380c9bf9
Manifest32a8db03854b143ca94579608a29e0c0576f79c92f49f7b5a3958c9978c1fe3a

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
Signatureeg8jcSoiBfwWfdaqxqjKd8f4WVqTqpE1uFrBPGWw9XE3nf8GN8H1sF1fqcWMr2cLmfWmzFE7rYejeRCz5L9uAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:55.792519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071069
observed 4da7f2c6a0604f4891a90b9c47e968bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.775229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071069/manifest.json
observed 32a8db03854b143ca94579608a29e0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.757843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071069/publication.md
observed 1c82c6708f7d9e3c9aa8473b89546000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.739584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071069/publication.txt
observed 2148e6782ebb824f9762f7a91a1c1ae3...
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.