OpenTechnical

OT-2026-000029390

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000029390) never changes.

Identity and time

Publication numberOT-2026-000029390 · never reused
Internal UUID01a0ae73-5e20-7638-bbe2-22311a1a4afd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029390
StatusPUBLIC

Content hashes

Canonical textf171500a2bf7782957c281c2f62393ca07cfb2b9d14a2d4a727a53937c8fa5a6
Markdown56ed00238bb0fe86143994c7caf616b4c8790b4e62ecaf9cf705fbf0f37de5fd
PDF
Publication pageb64a82c3a977bc2d47a534a56fbff04e601f82bfb5f52724464ab1f7c61c8283
Manifest354425612aab45252bd1143b5116be272acd7956b0e243195d5271d3d1783d44

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
SignatureW11H8zTHZoJUhMn2+Ht0Io5CyQqK9IBAVSPuf3ATq6VtGJZd/0sNISU8jditXhKSAYQBlXkQZPE7OZxNnNsFDw==
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

2026-09-17T11:38:57.475853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029390
observed b64a82c3a977bc2d47a534a56fbff04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.456895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029390/manifest.json
observed 354425612aab45252bd1143b5116be27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.437207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029390/publication.md
observed 56ed00238bb0fe86143994c7caf616b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.419060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029390/publication.txt
observed f171500a2bf7782957c281c2f62393ca...
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.