OpenTechnical

OT-2026-000006429

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pressure verified, contact triggered, rubber cups

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-2026-000006429) never changes.

Identity and time

Publication numberOT-2026-000006429 · never reused
Internal UUID01a0a95a-eda4-717b-80a7-0a2ff01db367 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:35:03.721015Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006429
StatusPUBLIC

Content hashes

Canonical text180e9fc5b1e3fca78734845eed3413738d92b713e62827b6bc3432a246b6224b
Markdownbc8ac395161da34612c7e0e67e89ba11bd80432cfca4e0b5158ea401749f09a5
PDF
Publication page591d74e79746df09977368c4fedc754ef4c12427e7ad5e49274747bfdb2fc6e2
Manifest7196d5a38796725334b724c4f5143feffad3e13f8dcb46c8570feee5ff5ebc1f

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
Signature0ij9qjFWRasVG5Bk+MAnc09kvZ/BDDrsspqbaIoSTMmicvmSqm5Bx5SKofSjVR1iCLD+Lyuv1Avjpn5Q2IiKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T20:42:11.229018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429
observed 591d74e79746df09977368c4fedc754e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:11.047126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429/manifest.json
observed 7196d5a38796725334b724c4f5143fef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:10.902084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429/publication.md
observed bc8ac395161da34612c7e0e67e89ba11...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:10.677142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429/publication.txt
observed 180e9fc5b1e3fca78734845eed341373...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:18.669425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429
observed 591d74e79746df09977368c4fedc754e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:18.655026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429/manifest.json
observed 7196d5a38796725334b724c4f5143fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:18.641365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429/publication.md
observed bc8ac395161da34612c7e0e67e89ba11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:18.626158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006429/publication.txt
observed 180e9fc5b1e3fca78734845eed341373...
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.