OpenTechnical

OT-2026-000006855

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, pressure verified, silicone cups, flat form

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-2026-000006855) never changes.

Identity and time

Publication numberOT-2026-000006855 · never reused
Internal UUID01a0a969-c76f-7cca-9f70-9dadbcda1b06 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:16.977920Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006855
StatusPUBLIC

Content hashes

Canonical text9843239fb3a8e4f115145f850084a2aa5412dff3f4ed765e9c82b52fd8d34e6c
Markdownf101d7a59dd2bba4d1b77671b61b4c24c0fe8a825efbb28d74aa97dd2020670c
PDF
Publication page4ebabe02fdcdaadbf9dec4b826090379949bf66a771216e1bf2d3eaa8ffc044f
Manifest99aa41d9587ec550f5bddf1f8779168482f7d46a17eea25b15512b118e2176e7

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
SignatureLaXZky5KoxTIylgt3hxwxvlpERREiCyVPy5AjA0iMYmZjnf6ezaUwzN7/lST5eLgt6bGNO+yHvFIMyKysZ2IBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:28.725156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006855
observed 4ebabe02fdcdaadbf9dec4b826090379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.713562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006855/manifest.json
observed 99aa41d9587ec550f5bddf1f87791684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.702124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006855/publication.md
observed f101d7a59dd2bba4d1b77671b61b4c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.690332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006855/publication.txt
observed 9843239fb3a8e4f115145f850084a2aa...
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.