OpenTechnical

OT-2026-000099286

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold 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-2026-000099286) never changes.

Identity and time

Publication numberOT-2026-000099286 · never reused
Internal UUID01a0aea2-8289-7511-9a26-f0e6da1abe26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099286
StatusPUBLIC

Content hashes

Canonical text34ff3ba07e6e3fb6935dfaf0877419b1ad9d7cc13ca8b53f4a416e9ccf1a6424
Markdown27147d4734328847f3e57abc108d41a6054228dc76a7addc761fbcce2d384d21
PDF
Publication pageeb437ea6478402755ef277d4c7d3892945a0748a5d6cfc31660f37f6aac4855b
Manifestc3f166ba45c1fbd29e0ee74434d116e074da2995d2e96a718b0ae41cc91a2124

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
Signature87CJ+NfAEgtpw97vZAiEgrd+kSIF8aXsV7YcKf7ODRqmg5LPfIshWxyrz381ELhIqDnekZP6Y2RFSWLa9m64Cg==
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

2026-09-17T09:30:44.757311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099286
observed eb437ea6478402755ef277d4c7d38929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.739438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099286/manifest.json
observed c3f166ba45c1fbd29e0ee74434d116e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.721531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099286/publication.md
observed 27147d4734328847f3e57abc108d41a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.698994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099286/publication.txt
observed 34ff3ba07e6e3fb6935dfaf0877419b1...
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.