OpenTechnical

OT-2026-000051806

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented 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-2026-000051806) never changes.

Identity and time

Publication numberOT-2026-000051806 · never reused
Internal UUID01a0ae83-7c84-7604-871c-370ab3ccc77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051806
StatusPUBLIC

Content hashes

Canonical text0d32fe601e17b9ebb5ecfd26337fcf99a5fd1d175aa208f1d5922aa709859a32
Markdowne10de21f71fcd02fadade5bb7765d5a9089d7bf5037e5aad18adf09f6d32c0bc
PDF
Publication page2262f05bf25000bc737599793d6298a0d750c8e835de5621b038b4e2b35d48f0
Manifestec32366c4ad3d3e48ea2196a6c92baadeb1b532f80e69c0f018e4f5a86f8b9d9

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
SignatureOLi+4Y1Awk/Yq335EgfVVb6RjZpJcjsG7d6Aa5FN0mQmj2lgiSoQBTIjU2ZJwn0Kx/hqAmAsu7QbSZtQJE/sAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:43.350192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051806
observed 2262f05bf25000bc737599793d6298a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.331615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051806/manifest.json
observed ec32366c4ad3d3e48ea2196a6c92baad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.313885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051806/publication.md
observed e10de21f71fcd02fadade5bb7765d5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.295466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051806/publication.txt
observed 0d32fe601e17b9ebb5ecfd26337fcf99...
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.