OpenTechnical

OT-2026-000083762

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000083762) never changes.

Identity and time

Publication numberOT-2026-000083762 · never reused
Internal UUID01a0ae98-0417-70a5-93ba-b90f853e4a0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083762
StatusPUBLIC

Content hashes

Canonical text5d6cb8af993715e7ca774bee14cbbb09294b7b70123d973e93578373553db5ac
Markdown78dce480966d576ff91253b0c8101792e8a7c5ca7ba0db39e2dc7fd397c99a07
PDF
Publication page7ff5213e8332343f2830415a1078125c84539e0c501975ce23c96670394937d7
Manifest8843f9e318375e7e2bf162e8d1f441e8bfa9674ee9fec99ff559822e1214e076

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
SignaturejawJxy3TOTx8rq1++bSCT+5HlTszNGqvI7gPWcRZQBQoxp5T8HuqAF1nDn7AngsWFkdnhUpNfxALo5S/Btr7BQ==
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

2026-10-25T00:41:48.636621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762
observed 7ff5213e8332343f2830415a1078125c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:48.578829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762/manifest.json
observed 8843f9e318375e7e2bf162e8d1f441e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:48.529178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762/publication.md
observed 78dce480966d576ff91253b0c8101792...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:48.468833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762/publication.txt
observed 5d6cb8af993715e7ca774bee14cbbb09...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.138437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762
observed 7ff5213e8332343f2830415a1078125c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.121925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762/manifest.json
observed 8843f9e318375e7e2bf162e8d1f441e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.105717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762/publication.md
observed 78dce480966d576ff91253b0c8101792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.090057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083762/publication.txt
observed 5d6cb8af993715e7ca774bee14cbbb09...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent