OpenTechnical

OT-2026-000041010

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000041010) never changes.

Identity and time

Publication numberOT-2026-000041010 · never reused
Internal UUID01a0ae79-b10e-758a-9176-83b78ffba946 · 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-2026-000041010
StatusPUBLIC

Content hashes

Canonical text46579492811410f8e137606077a1e5ed2692fd010e6a00d12038d74e2349f1ee
Markdowna3d52f2b9f95b757b7488b7215f36dae9e04791cbf7878d70765038d3b271417
PDF
Publication pagebe54a1fe13a381e3e96f1afb0a3c3132dd5bd5eedbccf93a201946c517f39ab4
Manifest6ad03d0bfe7c23e7b9c7b899a636648897bb3f7d47550410fa8eb678f1fa146c

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
SignatureEub4MLd3pg/QHL3pUbG6juglxKzRzXer6JNkano1a5K4VTErFywdvXteTehfvwHNLVuj6yoBXJgTxs430DZwCA==
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

2026-09-17T11:16:54.972806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041010
observed be54a1fe13a381e3e96f1afb0a3c3132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.956465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041010/manifest.json
observed 6ad03d0bfe7c23e7b9c7b899a6366488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.940363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041010/publication.md
observed a3d52f2b9f95b757b7488b7215f36dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.926219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041010/publication.txt
observed 46579492811410f8e137606077a1e5ed...
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.