OpenTechnical

OT-2026-000081945

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000081945) never changes.

Identity and time

Publication numberOT-2026-000081945 · never reused
Internal UUID01a0ae97-0f77-7f44-b1cb-cc0dcca259ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081945
StatusPUBLIC

Content hashes

Canonical textc582411cde59aaeb905356f318da124fa4968a233d523f4ec956b4b90dddbe44
Markdown724a542eef484e07d28319f4a30fc80e7f253f9c576ce8e49b021a0c33ee8cd6
PDF
Publication pagef3344ae939e9fcf9a6f8784240a40474191e640d0e361e413f2a7ce45ac6949d
Manifestca37868da40f3273024fdb5ab91a32a2ae9e3a5b02dfea4a9fdfb4653d3508db

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
SignatureAuosGnqdUqKR0IROowPmpX433O+AKtY5+PORxIQK0pFBDNphlFh6RZ3Ke/ywMnVgh6kI1Rbx2YIAaGomwr9BAg==
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

2026-09-17T10:01:04.745900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081945
observed f3344ae939e9fcf9a6f8784240a40474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.729432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081945/manifest.json
observed ca37868da40f3273024fdb5ab91a32a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.713195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081945/publication.md
observed 724a542eef484e07d28319f4a30fc80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.697364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081945/publication.txt
observed c582411cde59aaeb905356f318da124f...
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.