OpenTechnical

OT-2026-000041954

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000041954) never changes.

Identity and time

Publication numberOT-2026-000041954 · never reused
Internal UUID01a0ae79-e8a7-7ed9-855d-ba55d4038f27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041954
StatusPUBLIC

Content hashes

Canonical text3b5c5952e31a7be866798cd3a69ed2255a173c546510fd818753b902eff6ca21
Markdownf2b264aec973e349a02eae71db1bc1e82ed0b52b7f3430dd9ebf00033d7253cb
PDF
Publication page4bab64589236c0bda12ac0e9503d4834e5c87b705a251f0040c2b8676c728e9b
Manifest37c5336f027b4a7f23acf8d73d78ce39012f81029b584fde762d8ca7189c6201

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
SignatureeNuM5PjXoHl05BNliuU1RMhtP7jwrf6Mc4FqpNA1+0CXeMCt0nZm0Lj7cyR1RPEbDgnVVKCsGcr10ShQ35ENDQ==
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

2026-09-17T11:16:50.708089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041954
observed 4bab64589236c0bda12ac0e9503d4834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.691181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041954/manifest.json
observed 37c5336f027b4a7f23acf8d73d78ce39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.675655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041954/publication.md
observed f2b264aec973e349a02eae71db1bc1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.657765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041954/publication.txt
observed 3b5c5952e31a7be866798cd3a69ed225...
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.