OpenTechnical

OT-2026-000062207

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold 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-2026-000062207) never changes.

Identity and time

Publication numberOT-2026-000062207 · never reused
Internal UUID01a0ae8c-0abd-7754-b018-57e6714509ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062207
StatusPUBLIC

Content hashes

Canonical textf4a927e47d8b567669844f0d40b3c8bf8dcf27249bf61138f0799c99fa6ab57d
Markdown819a057c1bedfbe09d3a6bdc5cf60f934813c7ab6b7112ad738c1b0ffd3299de
PDF
Publication page6fc3150a86c9ae15eb7f28033a29d7b5348079ac0e5b7b1642ea27a1949f678c
Manifeste4bd44a7f538cf2dca1dcec031023f25924a3cbb55f1ced040222ebae64c37ad

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
SignatureIMelPMALHJUkAAUTbM78+AgIxmr5xabaTig0mqC+akuqtr4odW9IFlzStu+7zwhw2N8G4N18ipQlIw1UfJp7Bg==
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

2026-09-17T10:39:28.437707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062207
observed 6fc3150a86c9ae15eb7f28033a29d7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:28.420147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062207/manifest.json
observed e4bd44a7f538cf2dca1dcec031023f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:28.400980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062207/publication.md
observed 819a057c1bedfbe09d3a6bdc5cf60f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:28.384155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062207/publication.txt
observed f4a927e47d8b567669844f0d40b3c8bf...
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.