OpenTechnical

OT-2026-000050944

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000050944) never changes.

Identity and time

Publication numberOT-2026-000050944 · never reused
Internal UUID01a0ae82-c7b3-71e4-bc58-527382745222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050944
StatusPUBLIC

Content hashes

Canonical text456aa5b4a277825ebefce7b762a3c2e51843d4bdf0e3d63a0db7aeee3322c1e3
Markdownc4c224880250341e98ee693467edd2ee9291f41f3615fe16613514c935eb3d83
PDF
Publication page6fa6b089e8e28c63cc130999dcfb32cf1f570c317a5d32f6426bf0faaa823b12
Manifest5a6ad6c2970460b98da7898d7ba195bfe7b3d378e3b4f90825036e3c2d153396

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
Signature4EX10cSw4Dp/XsoraZFOX94JVHN5jqkIRAgmnVyjCK/EifpBCSknvS/Y1QRLmx34l5X8xewxzBIZKbsA7rHnDw==
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

2026-09-17T11:00:42.754537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944
observed 6fa6b089e8e28c63cc130999dcfb32cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.748771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944
observed 6fa6b089e8e28c63cc130999dcfb32cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.735065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944/manifest.json
observed 5a6ad6c2970460b98da7898d7ba195bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.726699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944/manifest.json
observed 5a6ad6c2970460b98da7898d7ba195bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.708353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944/publication.md
observed c4c224880250341e98ee693467edd2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.705266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944/publication.md
observed c4c224880250341e98ee693467edd2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.689149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944/publication.txt
observed 456aa5b4a277825ebefce7b762a3c2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.686766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050944/publication.txt
observed 456aa5b4a277825ebefce7b762a3c2e5...
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.