OpenTechnical

OT-2026-000020833

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000020833) never changes.

Identity and time

Publication numberOT-2026-000020833 · never reused
Internal UUID01a0ae6f-65e3-705c-9ae9-99ce09582ecf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020833
StatusPUBLIC

Content hashes

Canonical text09f1d7e8125b498bbfe32e245213cee0c91876c07e2fac2ef48730fd6b5e224c
Markdown09dd0d0e8a75803dc1fb29eb50f4db5e196f9b2c847d9ad2cebd21401f2e4de3
PDF
Publication page167286bae3d6956198a32cf80e79bfc57c0f25856b42fd6dee0522f635144dc3
Manifest256a145626ea423834a55728656f10f19c98ac154d1daee668b4211528ee9843

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
Signature95C70rY0Vk5dhxH0mCQ9rrlrmwLLpae2Jlu6XUpDeBubxuS1s/Ku/GVIR6RDr6gIh1AqkrCKkNDNyIPDU/mmBQ==
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

2026-09-17T11:55:55.715470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020833
observed 167286bae3d6956198a32cf80e79bfc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.696765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020833/manifest.json
observed 256a145626ea423834a55728656f10f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.680053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020833/publication.md
observed 09dd0d0e8a75803dc1fb29eb50f4db5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.663003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020833/publication.txt
observed 09f1d7e8125b498bbfe32e245213cee0...
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.