OpenTechnical

OT-2026-000005216

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector 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-2026-000005216) never changes.

Identity and time

Publication numberOT-2026-000005216 · never reused
Internal UUID01a0a931-97b6-7d76-a402-f8596ce9b786 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:54.745100Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005216
StatusPUBLIC

Content hashes

Canonical text278eab3b28cfa90447d7d37378e4818c9177f521e9c8cb2b5fe27d76583ed280
Markdowne097098f0ea4387ce0f623fda2ba83352cbae232047ddb8752602eeace5c7970
PDF
Publication page3bc7cdcdd14d8a36b5012c99ad912d15c25249aa9571c55db2f09eb1890c8eae
Manifestaa11fb45212f0bc12398ba77d6c132690d9436178e1f9be23a31c402fc8054ce

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
SignaturepDABuivKnkRatgPdA5Dft5hKNTbhtmHBcXst3yqNL78a7hQa/RgN5uVpR0tbKky3iM5YV8AB94cH++cFZwk7Bg==
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

2026-09-16T07:50:02.483275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005216
observed 3bc7cdcdd14d8a36b5012c99ad912d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:02.470969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005216/manifest.json
observed aa11fb45212f0bc12398ba77d6c13269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:02.457221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005216/publication.md
observed e097098f0ea4387ce0f623fda2ba8335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:02.444054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005216/publication.txt
observed 278eab3b28cfa90447d7d37378e4818c...
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.