OpenTechnical

OT-2026-000005595

Publication integrity record

Porous face vacuum gripper, three outlet manifold, pump fed, pressure verified

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-2026-000005595) never changes.

Identity and time

Publication numberOT-2026-000005595 · never reused
Internal UUID01a0a93e-6ed1-7c93-8683-d75a8983d94c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:56.246690Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005595
StatusPUBLIC

Content hashes

Canonical text86ed8798c6687535c7c6145f23ef461616f6c652db9f574d0606450dc8869a65
Markdownf8d9854c46fb3878f3f5f7059e7a37393c48cdac86e149ad74145ed1a722c0be
PDF
Publication pagefd16948de747b53ad89d19694a6ec4d4c14460d2714185ebab94231ce59effb5
Manifestf9057f3d96c3152dba78cf87accc5ce241082ba39e83044e200b9e101d1ea1df

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
SignaturelKm3WU4IbXu3I6o+DbKUeAL8BtpXRvL17mVU2tFd+02MubEpYX78NI+AEq+XMUO5EUhYwrSt/vMOoxAPMu/qBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:22.712230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005595
observed fd16948de747b53ad89d19694a6ec4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:22.699048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005595/manifest.json
observed f9057f3d96c3152dba78cf87accc5ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:22.684464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005595/publication.md
observed f8d9854c46fb3878f3f5f7059e7a3739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:22.671119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005595/publication.txt
observed 86ed8798c6687535c7c6145f23ef4616...
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.