OpenTechnical

OT-2026-000098013

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000098013) never changes.

Identity and time

Publication numberOT-2026-000098013 · never reused
Internal UUID01a0aea1-92f7-7e51-ad51-7414ef6eb458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098013
StatusPUBLIC

Content hashes

Canonical text4b2321dd0a353f1814681a14b2818ee7a14d615f1873678b35961fd9972a5742
Markdown1a1b3de68f3b884468d2f2189c8b747d69a59e23f2b344f9a0e2765384922886
PDF
Publication pagecdc004d1297b60c749a7f0053a510b2f54946f3e9fdd188e88e6c19f0e6a1753
Manifest9d1fa9c83ec30c5f619a21966ad280c117070fff26065049eb507077655e5ea3

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
SignaturefWc0CtAtWUPizvadWMMw1DbRl7RagJb+bXbsiqe3Fa2T9BMnWAhg4Ihf/TE07eBwcL82qDBADKcrsG/5xQx9Aw==
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

2026-09-17T09:33:11.248004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098013
observed cdc004d1297b60c749a7f0053a510b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:11.229781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098013/manifest.json
observed 9d1fa9c83ec30c5f619a21966ad280c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:11.210230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098013/publication.md
observed 1a1b3de68f3b884468d2f2189c8b747d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:11.191883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098013/publication.txt
observed 4b2321dd0a353f1814681a14b2818ee7...
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.