OpenTechnical

OT-2026-000041046

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000041046) never changes.

Identity and time

Publication numberOT-2026-000041046 · never reused
Internal UUID01a0ae79-b10e-7d0b-a388-e25aec0e6349 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041046
StatusPUBLIC

Content hashes

Canonical text4207be98a55e17caa58f2052f66914355b2b67ff3d39a7912852dcfafe93f36f
Markdownbca686dc98774f9830f125ef8f00de3baed73e5aec40607ce82f8c730e44832d
PDF
Publication page329bbf3ac55a090032f16f42045d648ca51c0d802f7e866c9e7e66927c53cd6b
Manifestb861751b37edaeb51591bf6c05b311b444cfba1d55508ef50c653b4ffe57f6ba

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
SignatureP6TyUvhXTk296l0NBELYw0tnYUGS3zl9aJszx6fzdwSTTajW947QEQOkIm0M+eWWYZpoIyc5ygQwscmfWKK4DA==
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

2026-09-17T11:16:57.437277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041046
observed 329bbf3ac55a090032f16f42045d648c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.421175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041046/manifest.json
observed b861751b37edaeb51591bf6c05b311b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.404224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041046/publication.md
observed bca686dc98774f9830f125ef8f00de3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.386670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041046/publication.txt
observed 4207be98a55e17caa58f2052f6691435...
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.