OpenTechnical

OT-2026-000079003

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000079003) never changes.

Identity and time

Publication numberOT-2026-000079003 · never reused
Internal UUID01a0ae95-ccbe-758a-827a-71f41db7af88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079003
StatusPUBLIC

Content hashes

Canonical text44a4de6d87813993a87ee1841a10e993eba36859d72ac601894f8a58208da36b
Markdownb173d8bcff1bd24eb7cc711e5dbb0052310d06a3078c2ef1912132165ea72e0e
PDF
Publication page831d0581a5cbcbd7f707c55018c3693c9f138e8b6b693a5a615278ded1dc0922
Manifestb8f4f930d230e452b7adbbf7f2e6051ead2f32e2e4c44710925ad0ddc28ab177

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
Signature0pj+2q1BwWedLtXdqyfqYktx21JhyoxAUtZl/u74EgwF6Alk6l/VJ/VTmLtjjnCLTnVD+tgvvQmY8XhOdfcsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:50.156179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079003
observed 831d0581a5cbcbd7f707c55018c3693c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.137905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079003/manifest.json
observed b8f4f930d230e452b7adbbf7f2e6051e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.118485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079003/publication.md
observed b173d8bcff1bd24eb7cc711e5dbb0052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.097260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079003/publication.txt
observed 44a4de6d87813993a87ee1841a10e993...
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.