OpenTechnical

OT-2026-000098223

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000098223) never changes.

Identity and time

Publication numberOT-2026-000098223 · never reused
Internal UUID01a0aea1-e964-7fd5-9599-062e3ef6fbd2 · 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-2026-000098223
StatusPUBLIC

Content hashes

Canonical textd56985b1b0c2537d43da60ed362bfe5a2451389450c3b1f2a0704970d4a95b70
Markdown3b96413597d019d0b92e3d99040c40b3058546077b1793f9f2cfaf0129bc770d
PDF
Publication page25f5251fa6f286f02a69079ba0c9a2611db8e763396678d3e7cb354fd0c57809
Manifest4b666c4222ee7b6c95295eadfa0b2cebc33935ab26fe69d1eb508d0acac9677f

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
SignatureRDcVjcTa9Q6uUufxEfmA87HBnm9llVWE1Yauz0nTwBJPQratBSZm/LHj/mDUijHLKul78gnp9oawKPZO6sT9Aw==
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

2026-09-17T09:31:24.090365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098223
observed 25f5251fa6f286f02a69079ba0c9a261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.070087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098223/manifest.json
observed 4b666c4222ee7b6c95295eadfa0b2ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.047145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098223/publication.md
observed 3b96413597d019d0b92e3d99040c40b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.023560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098223/publication.txt
observed d56985b1b0c2537d43da60ed362bfe5a...
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.