OpenTechnical

OT-2026-000083464

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000083464) never changes.

Identity and time

Publication numberOT-2026-000083464 · never reused
Internal UUID01a0ae97-c965-70b1-a22b-eefbc6aca438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083464
StatusPUBLIC

Content hashes

Canonical text954649e4a1793ac7f5d1939512f86ccfe6846bf5f7093eee3f3d29da9b6daf99
Markdownfb987c2c16a8080d0576920f5057cd4b7f222c54b4ba895a85a9f023612870e6
PDF
Publication page91cd460d65dace7870ed648f07baa8e4538cf7fa5d1144306ffc7f226205bf69
Manifest7137f8057043c9fade694da976434b72b728ed10ed998016692eae658925c4fa

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
SignatureoT+0aDMp8kdpBxswFkru7cLikj/fkrPMYYXY9lWV0fC4yTEdwWypdxaGR/0abrZRtCwPcFFAsdl9sYXeE8E1DQ==
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

2026-09-17T09:57:53.121749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083464
observed 91cd460d65dace7870ed648f07baa8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.105528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083464/manifest.json
observed 7137f8057043c9fade694da976434b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.089891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083464/publication.md
observed fb987c2c16a8080d0576920f5057cd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.072737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083464/publication.txt
observed 954649e4a1793ac7f5d1939512f86ccf...
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.