OpenTechnical

OT-2026-000050972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000050972) never changes.

Identity and time

Publication numberOT-2026-000050972 · never reused
Internal UUID01a0ae82-c7b4-76f8-8971-54ca75b0e593 · 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-2026-000050972
StatusPUBLIC

Content hashes

Canonical text54ca77ec75af9d337a11ae4b527191f2cb7ba5a4a039fd5541bc18ca2f0ab0c3
Markdown0c5aea966683e9fa585ac6082868ad67b03995f4e14c6318207dfb937c27c617
PDF
Publication page2e5a9423e387cd9aa01c42a6227573b7e949ddd444b8b2f0412d4150a414451b
Manifestcb57b4719c99525b361c699089e7d880795d2dff6e7951e1b8ac45b1adccf704

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
SignaturewpfGhyuEhgrsNjjpLQsWDWamZzUF4LhUnb9im5NTOdfO+nIC/9U1hqfbmXZTgeeWzSDv4L1R8DA19uK8FAM+Cw==
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

2026-09-17T11:00:51.650334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972
observed 2e5a9423e387cd9aa01c42a6227573b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.633829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972/manifest.json
observed cb57b4719c99525b361c699089e7d880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.613798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972/publication.md
observed 0c5aea966683e9fa585ac6082868ad67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.594924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972/publication.txt
observed 54ca77ec75af9d337a11ae4b527191f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.587665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972
observed 2e5a9423e387cd9aa01c42a6227573b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.569313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972/manifest.json
observed cb57b4719c99525b361c699089e7d880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.548894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972/publication.md
observed 0c5aea966683e9fa585ac6082868ad67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.529312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050972/publication.txt
observed 54ca77ec75af9d337a11ae4b527191f2...
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.