OpenTechnical

OT-2026-000089783

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089783) never changes.

Identity and time

Publication numberOT-2026-000089783 · never reused
Internal UUID01a0ae9c-1a22-76fe-954d-da36fd9d949d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089783
StatusPUBLIC

Content hashes

Canonical text1996a0f17787efc891c955385754d607f0af35f2625e07fc1bb6a354d175fa5e
Markdown055f03f4269bcbbe121a9fc90d380188f4009aa76f93731eedacb8ac24253753
PDF
Publication pagefdb18c6c9742957d0be4b8d519df2bbb41eea8188ee11d810740349f6bb5fe5e
Manifestdce2d8a7c87ef24317c26610ea04b0f452d51702a9c56ca5d107a759b85a7994

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
SignatureqlxMC3DTRXyrYlkKkUHF4i3akwrjVfieL7zmiZnZ/DfbpsROEFvzaTAoUVVi0uwl1sKUFgXkPGVjxCla3wq4DQ==
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

2026-09-17T09:46:52.409942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089783
observed fdb18c6c9742957d0be4b8d519df2bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.393203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089783/manifest.json
observed dce2d8a7c87ef24317c26610ea04b0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.376001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089783/publication.md
observed 055f03f4269bcbbe121a9fc90d380188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.359464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089783/publication.txt
observed 1996a0f17787efc891c955385754d607...
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.