OpenTechnical

OT-2026-000046234

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000046234) never changes.

Identity and time

Publication numberOT-2026-000046234 · never reused
Internal UUID01a0ae7e-57ca-73d0-8e8b-63a7a8b9bcff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046234
StatusPUBLIC

Content hashes

Canonical textac8b17a8ba40630e6f5122c52655dc5e94a99a16dc55819b949e6da7d1c90e1c
Markdown975611688e7a715e090ac0431d1342b9432398f07adf62b9d36fb98f04493a1f
PDF
Publication page9cd61bc33894ce31ef11d7a5a5c544fdc85e68589a7c721ce6e79178c3a85146
Manifest01f5bbb8d8890fccf06c342430201f4c193a4548ec30f51293e9285dbd904c16

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
Signaturem76j2r/V1xIOpuHie8Olx3djq89QbITBkCT5V9uqtDT666J+uT41n2t2lnvOpYTbRkJ5KFol9UJlFCgmRe2HAw==
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

2026-09-17T11:08:04.927184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046234
observed 9cd61bc33894ce31ef11d7a5a5c544fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.909233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046234/manifest.json
observed 01f5bbb8d8890fccf06c342430201f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.890902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046234/publication.md
observed 975611688e7a715e090ac0431d1342b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:04.872014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046234/publication.txt
observed ac8b17a8ba40630e6f5122c52655dc5e...
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.