OpenTechnical

OT-2026-000098291

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000098291) never changes.

Identity and time

Publication numberOT-2026-000098291 · never reused
Internal UUID01a0aea1-e964-72c8-b145-676fabfaa8b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098291
StatusPUBLIC

Content hashes

Canonical textf34246b23873df08889dd5e4b52ec7ce0e9e67d4b5672d2c50428d437e90c2d8
Markdownd7acc3da9e261fff9a553fcb24bfbba734d7c98953a064bcdcdba078ba6d599d
PDF
Publication page33864f71782f5db3b44ba14f7fb9576094d8632e9bf6c77bb36fcbfac59f8996
Manifest5867ee9361db04681af9c6ce0d368128e805110aab74479162f6eea6cb804b65

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
SignatureKG/g66vD9iDAKEdkmdhHJ1CMW48lVpKHPH5Rkq7Z9FUtSxd88KZs3Uby8hPxpIw+BW6f6U06Nmt76nQSWzbRBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:29.462863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098291
observed 33864f71782f5db3b44ba14f7fb95760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:29.444701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098291/manifest.json
observed 5867ee9361db04681af9c6ce0d368128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:29.427036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098291/publication.md
observed d7acc3da9e261fff9a553fcb24bfbba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:29.407567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098291/publication.txt
observed f34246b23873df08889dd5e4b52ec7ce...
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.