OpenTechnical

OT-2026-000041617

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000041617) never changes.

Identity and time

Publication numberOT-2026-000041617 · never reused
Internal UUID01a0ae79-e8a0-7ef7-a3bc-80a99beafed8 · 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-2026-000041617
StatusPUBLIC

Content hashes

Canonical texte3d1e86cf5bf699a421ceb3f8107b1a40b90d07eaf67d0a030be4028bcde8ba1
Markdownfce85c987fd3c5ba8dcf0d96b5dd477c58a12e0f59d0beb74abaa03d2b691c08
PDF
Publication page1d0ec55bafb9c26ae8281274ba93be1102997e0353e5dfbf82900e32646241cf
Manifestd06a3cdd69aa2049ece5ae06f9492631f9435cfa2d777abb9dcf27b5001d1532

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
SignatureUBoeNz7HM4sL7dQl+ShX6XU0q3zKghJUY87zig+k8asX5TYp9HCaRoQ8Julpag1vOqIR0MdSpal5Raay0edwBw==
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

2026-10-05T04:23:16.439657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617
observed 1d0ec55bafb9c26ae8281274ba93be11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:16.420213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617/manifest.json
observed d06a3cdd69aa2049ece5ae06f9492631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:16.402959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617/publication.md
observed fce85c987fd3c5ba8dcf0d96b5dd477c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:16.366604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617/publication.txt
observed e3d1e86cf5bf699a421ceb3f8107b1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.729729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617
observed 1d0ec55bafb9c26ae8281274ba93be11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.712988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617/manifest.json
observed d06a3cdd69aa2049ece5ae06f9492631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.694949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617/publication.md
observed fce85c987fd3c5ba8dcf0d96b5dd477c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.678357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041617/publication.txt
observed e3d1e86cf5bf699a421ceb3f8107b1a4...
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