OpenTechnical

OT-2026-000012274

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000012274) never changes.

Identity and time

Publication numberOT-2026-000012274 · never reused
Internal UUID01a0ae6d-39f5-7e46-9444-d4d957ef4eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012274
StatusPUBLIC

Content hashes

Canonical textb35306eeaa8fc3b5e01e57224533aa29f1b094999b986dde97a08733216cc197
Markdowne5048f86e101c2b19825425d62295086a84b706443c982ae44b8b2d34e57949b
PDF
Publication pagee45047256929d7708daae0126707f63c323706443157df3ebb66c72cea352578
Manifestb20b20423698dde6f8624b8e80425778d6d52a2d790c462965d386e6b351a55d

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
SignatureByuwRDe9XCcBk92xVs9JUM19IzbK1tZWmz6GVLV7r7PwmOodMsjrOnNR/9cpo1cY/JEUB/bhI9I/iukLqS5yAw==
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

2026-10-17T16:41:16.220298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274
observed e45047256929d7708daae0126707f63c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T16:41:16.147722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274/manifest.json
observed b20b20423698dde6f8624b8e80425778...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T16:41:16.074154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274/publication.md
observed e5048f86e101c2b19825425d62295086...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T16:41:15.969053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274/publication.txt
observed b35306eeaa8fc3b5e01e57224533aa29...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:52.586698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274
observed e45047256929d7708daae0126707f63c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:52.534183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274/manifest.json
observed b20b20423698dde6f8624b8e80425778...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:52.454543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274/publication.md
observed e5048f86e101c2b19825425d62295086...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:52.383486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012274/publication.txt
observed b35306eeaa8fc3b5e01e57224533aa29...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent