OpenTechnical

OT-2026-000049378

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049378) never changes.

Identity and time

Publication numberOT-2026-000049378 · never reused
Internal UUID01a0ae81-8f7b-7108-b11e-9b069595bd1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049378
StatusPUBLIC

Content hashes

Canonical textadddce454280a461899655b31e386a0bb725bffe93be02376da7ebc3f99df7b5
Markdown46b7544e9babff8c177728dba918f3e2d4d0eb52cb925f1ad1526143a4388701
PDF
Publication page937ae999336b6b38bff94ebd8a0cfb501d38e7092505ddc3f1fa5c0f40b86118
Manifest8e87f402b129f8aff03abfbe8da2b8f8d21b3edeadb93e57648ec86a2bc68473

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
SignaturecQzd3TQy/kUiwK+9rSl4cDfsEgimPntTH7k522XfVNq8yPJ4sYRJyh8kcVxVqL2+KGEriz4abmNYN461jKyqDg==
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

2026-09-17T11:02:10.971033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049378
observed 937ae999336b6b38bff94ebd8a0cfb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.948930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049378/manifest.json
observed 8e87f402b129f8aff03abfbe8da2b8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.929322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049378/publication.md
observed 46b7544e9babff8c177728dba918f3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.907683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049378/publication.txt
observed adddce454280a461899655b31e386a0b...
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.