OpenTechnical

OT-2026-000024481

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000024481) never changes.

Identity and time

Publication numberOT-2026-000024481 · never reused
Internal UUID01a0ae70-e8cb-70ef-ab1c-e35e15a628ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024481
StatusPUBLIC

Content hashes

Canonical text80d05ccf57d1e2575cfcef6bc15a4a8498446985230bcf2a721f04d6c51acc33
Markdown3c45f1c0eee1e2834ab6b3091f6214605c4217f1c39a9e3cf03c048ee479e013
PDF
Publication page360a3aee8d8021f513c3c696a6b76efb5c606ac8131b31c272227bdc03dcf7a9
Manifest56ba77bdda6099f00d3d9e092beb3198fe1f1221b1b630a473693edd871bd131

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
Signatureqr9ehbdRF7qBopU/I66vaZz5m8E4A2lRfdgiVFtZ20ZxlBfAacVyX4I3m+shL7yDkfj0j6vJwVN4FmtBqE0tAg==
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

2026-09-17T20:42:03.103965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481
observed 360a3aee8d8021f513c3c696a6b76efb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:02.939327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481/manifest.json
observed 56ba77bdda6099f00d3d9e092beb3198...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:02.746890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481/publication.md
observed 3c45f1c0eee1e2834ab6b3091f621460...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:02.380144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481/publication.txt
observed 80d05ccf57d1e2575cfcef6bc15a4a84...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.453544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481
observed 360a3aee8d8021f513c3c696a6b76efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.436929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481/manifest.json
observed 56ba77bdda6099f00d3d9e092beb3198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.419274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481/publication.md
observed 3c45f1c0eee1e2834ab6b3091f621460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.402188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024481/publication.txt
observed 80d05ccf57d1e2575cfcef6bc15a4a84...
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.