OpenTechnical

OT-2026-000041034

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-2026-000041034) never changes.

Identity and time

Publication numberOT-2026-000041034 · never reused
Internal UUID01a0ae79-b10e-79dd-bc4e-b416bd64a603 · 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-2026-000041034
StatusPUBLIC

Content hashes

Canonical text42fe891723585e70db92ed656733369c4620360a64c511bae27b34f1e117d14c
Markdown18d9e6424ac89928c6dbe260f4ad89383415ee01fd18c8e083b204d17dbd2105
PDF
Publication page1b3670596e9f32e8a42d94a9a72beff5da4bca573b32c7604baf8d03d979ecd0
Manifest0d956314f364e7a57290223cbab14933d3d7a50794a3824aebffe4d3f417fc8a

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
SignaturerZj3d3sLDwR/y9s8cCcnMOr9LTy/0O8N7bEGr1CEZrh8663u8T9x/li4j4D44164o8aFUoO8SOkGYEfPg9tsBw==
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

2026-09-17T11:16:56.625707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041034
observed 1b3670596e9f32e8a42d94a9a72beff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.610167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041034/manifest.json
observed 0d956314f364e7a57290223cbab14933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.594056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041034/publication.md
observed 18d9e6424ac89928c6dbe260f4ad8938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.577126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041034/publication.txt
observed 42fe891723585e70db92ed656733369c...
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.