OpenTechnical

OT-2026-000007875

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000007875) never changes.

Identity and time

Publication numberOT-2026-000007875 · never reused
Internal UUID01a0ae6a-908a-70de-823c-8cb63972aa8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007875
StatusPUBLIC

Content hashes

Canonical text4a925035bbf01a9e73e2800c0aacef19deea123a3f2500572317067252579ef5
Markdown9b0130c46c0af24e1c7a51d4da7558964b2dcc967091def664ca0f27a6bda971
PDF
Publication page2a3fb6664e14108e8c7999f2af1615c9ad04ebda4a392de61b806993b26e7aa2
Manifest5f67e1d9dbe7ecbd47200595332f1f3fb56c9c812a9f4a87acf4c023a672a34b

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
SignaturefAY7Fk7OYW5vetscvEaGed6qGD3q2yjKspWFGmXUdKC10oV2Kr5kCW796TpKaCjfsqAgW26O+zle2kHy1nXWCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:19.900893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875
observed 2a3fb6664e14108e8c7999f2af1615c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.883524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875/manifest.json
observed 5f67e1d9dbe7ecbd47200595332f1f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.864307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875/publication.md
observed 9b0130c46c0af24e1c7a51d4da755896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.845733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875/publication.txt
observed 4a925035bbf01a9e73e2800c0aacef19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.723046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875
observed 2a3fb6664e14108e8c7999f2af1615c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.705608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875/manifest.json
observed 5f67e1d9dbe7ecbd47200595332f1f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.686965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875/publication.md
observed 9b0130c46c0af24e1c7a51d4da755896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.670537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007875/publication.txt
observed 4a925035bbf01a9e73e2800c0aacef19...
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.