OpenTechnical

OT-2026-000028776

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000028776) never changes.

Identity and time

Publication numberOT-2026-000028776 · never reused
Internal UUID01a0ae73-2252-7933-a441-9320c0806729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:36.158293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028776
StatusPUBLIC

Content hashes

Canonical text44a22ebf88bc1079c166de9aacdbac4b28146bb9aab543e333c9edf4bba017d8
Markdown024bebc23d871caec9c8f0e939ff18a73959b21a3da28fd7d29da1c76ae9dae1
PDF
Publication pagef720a4a77702e8b025808ba981c40e11aa6d407f42352b1dbde8243510321995
Manifest112f241d424ad1a68a114ae905f154484480020e0db0e310a7ea0c7007b4dee3

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
Signature5Kkn7UedbIPRj9zMsuX/fwXEcWeema3tuGB5SfczZ781jmcp/lwDvP/tY5p8uwfeu7ivzkoYWEMh5ue6zMl8Aw==
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

2026-09-17T11:40:00.133494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028776
observed f720a4a77702e8b025808ba981c40e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:00.114417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028776/manifest.json
observed 112f241d424ad1a68a114ae905f15448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:00.097447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028776/publication.md
observed 024bebc23d871caec9c8f0e939ff18a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:00.079310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028776/publication.txt
observed 44a22ebf88bc1079c166de9aacdbac4b...
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.