OpenTechnical

OT-2026-000029862

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000029862) never changes.

Identity and time

Publication numberOT-2026-000029862 · never reused
Internal UUID01a0ae73-ac47-7d69-b206-c95b272da6bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029862
StatusPUBLIC

Content hashes

Canonical text2e75492fdf9ff6182e992d2aead60f58e13cd460ba385a74245064174c06891b
Markdown1af7b41f104737dcd784f6de8ba0cd31b2a6750d1b1e834fea36a0bbe7467a26
PDF
Publication page76b4cbd7bfe5d34fc0538403634cca104032bca99b971e6586960b2e4c8a41e1
Manifest3b97b6cfd5a8d8d10570d27826a6bfc35a73ffd497328022a5cd7ebc0be93f40

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
SignaturePbtZhKvyEm9R7w9nMMe7HYAtXXtP292G5z9kyazCbXOq5bAtp+c0s9PeaLqobdKx1VIdLTqfVeXbhshBTE3tCA==
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

2026-09-17T11:38:33.351136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029862
observed 76b4cbd7bfe5d34fc0538403634cca10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.331743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029862/manifest.json
observed 3b97b6cfd5a8d8d10570d27826a6bfc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.312496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029862/publication.md
observed 1af7b41f104737dcd784f6de8ba0cd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.293108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029862/publication.txt
observed 2e75492fdf9ff6182e992d2aead60f58...
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.