OpenTechnical

OT-2026-000048954

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000048954) never changes.

Identity and time

Publication numberOT-2026-000048954 · never reused
Internal UUID01a0ae81-134c-7f7e-b553-497bb2b93b88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048954
StatusPUBLIC

Content hashes

Canonical text743c4706459933ae74e8af2fa52a88a263c16c621547c56d42df7e652356a5d9
Markdownd0c9cc2dc49e8dd64353f3e10a96523814f56089374d7f454293bc71647a9765
PDF
Publication page3814e537f241943222f724d7c21ad387e9d8a76b1b32623df1015e370fdc8796
Manifest094cb23ba27cad3bb9c7468d46c3e7ff3daf19401f748e420d3413be47534b42

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
SignatureWXIxk3P1B7PZQkkp1SX08bleEMZl4Kveqzm6ShuZQDc0xX3yzkqaq0Y7dlT8XfV7xGp0NVpOG+q/9zIlgOgDAQ==
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

2026-09-17T11:03:08.773047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048954
observed 3814e537f241943222f724d7c21ad387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.752920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048954/manifest.json
observed 094cb23ba27cad3bb9c7468d46c3e7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.735311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048954/publication.md
observed d0c9cc2dc49e8dd64353f3e10a965238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.715132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048954/publication.txt
observed 743c4706459933ae74e8af2fa52a88a2...
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.