OpenTechnical

OT-2026-000011710

Publication integrity record

Single cup vacuum gripper, pump fed, pulsed blow-off before set-down

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-2026-000011710) never changes.

Identity and time

Publication numberOT-2026-000011710 · never reused
Internal UUID01a0ae6d-1940-7eca-8ba4-90f7e1d53c66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011710
StatusPUBLIC

Content hashes

Canonical text903bdffb20185f209d1dd32f6b1afcc8e4cd21d6b4628bde22c2f297fcb63a33
Markdown579e3700cc574fefdaa0eaff4d0f27e4fb673e28d1aeaf765ecea485caa0bf61
PDF
Publication page1344225720b5b7b20ace1bf314feb70a8ac4ddd70fc6bab26acbd3b9950857f0
Manifest9c43bb93ca21f061afc2102a80376cdbc36aa3cc0c714f7aaad2f96ed86649d2

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
SignatureDe6abVJgRF+t3Q2o7Pbfisv7p7EfxqC9L123676dacx48rn3eUYdL5V20Lu5Jt+lGuwDYLoTOTcntYqYlDY9Ag==
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

2026-09-27T04:42:08.296528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710
observed 1344225720b5b7b20ace1bf314feb70a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T04:42:08.215019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710/manifest.json
observed 9c43bb93ca21f061afc2102a80376cdb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T04:42:08.093708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710/publication.md
observed 579e3700cc574fefdaa0eaff4d0f27e4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T04:42:07.943541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710/publication.txt
observed 903bdffb20185f209d1dd32f6b1afcc8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T00:41:36.731947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710
observed 1344225720b5b7b20ace1bf314feb70a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T00:41:36.681915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710/manifest.json
observed 9c43bb93ca21f061afc2102a80376cdb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T00:41:36.618312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710/publication.md
observed 579e3700cc574fefdaa0eaff4d0f27e4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T00:41:36.487887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011710/publication.txt
observed 903bdffb20185f209d1dd32f6b1afcc8...
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