OpenTechnical

OT-2026-000005385

Publication integrity record

Porous face vacuum gripper, six outlet manifold, two stage ejector, contact triggered, open cell

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-2026-000005385) never changes.

Identity and time

Publication numberOT-2026-000005385 · never reused
Internal UUID01a0a937-5ddc-7d24-99fd-e43a3b4d8870 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:13.151180Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005385
StatusPUBLIC

Content hashes

Canonical textdb435ca101c3eed44b12849df3d2999dceafe46d1d02cacb251190276a948d67
Markdownac20b02c94565d81ec342e63fc9aa139706ba8f053634cc7f6794b3e27ff36d5
PDF
Publication pagefc1bb0a43cbfbe52fa18a03bf53b77d7f17e91b8b0590c24e9f4d5e57a6fdb6d
Manifest9086d7d6625a2a2efe25c7cc4d57b396cfed692ca9a79246c77270296f7acbef

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
Signature1/YwBE0i5jj14PXTXd9CPXzs4qit9CDzpTDMr4DM4pht9UJCIZSe0f47AMMHwGSuPwLpEvgCfBwfmJdLw++NBA==
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

2026-09-16T08:00:15.660752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005385
observed fc1bb0a43cbfbe52fa18a03bf53b77d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.647087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005385/manifest.json
observed 9086d7d6625a2a2efe25c7cc4d57b396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.629888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005385/publication.md
observed ac20b02c94565d81ec342e63fc9aa139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.489477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005385/publication.txt
observed db435ca101c3eed44b12849df3d2999d...
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.