OpenTechnical

OT-2026-000098547

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000098547) never changes.

Identity and time

Publication numberOT-2026-000098547 · never reused
Internal UUID01a0aea1-e966-7a58-ab1a-73ba497cff9a · 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-2026-000098547
StatusPUBLIC

Content hashes

Canonical text93d170c2f7b37c08d58266d3cdb7079a8f210431a1a41f448940e57f19ec3358
Markdown10735d670621d83abfc21093010552e54b890f5824c37fcd7b1ffa69afd898c9
PDF
Publication pagecf9b399a079914ba7601201eb324c75babc729d844e703a06b421f95b493d0b8
Manifest47b7cc806cc5ee882c64b6dd0d31cf603d961ec19efd9132baacc8c643a727a2

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
SignatureG2FHD8zHg7dOmUa4Pspc5WAou4zUOY2voZVlhmD7INrvXhaAQoZ08F30TL43d/IqqLOxdam9ddl88VF6zJ9ODA==
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

2026-09-17T09:32:25.764343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098547
observed cf9b399a079914ba7601201eb324c75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.742535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098547/manifest.json
observed 47b7cc806cc5ee882c64b6dd0d31cf60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.722786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098547/publication.md
observed 10735d670621d83abfc21093010552e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.701148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098547/publication.txt
observed 93d170c2f7b37c08d58266d3cdb7079a...
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.