OpenTechnical

OT-2026-000099550

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000099550) never changes.

Identity and time

Publication numberOT-2026-000099550 · never reused
Internal UUID01a0aea2-c975-7722-8e56-fdc5ffdb93fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099550
StatusPUBLIC

Content hashes

Canonical text73d36238c142a3bbfd1680bafd69aa3aad3d3aae488ecade9ad432a796cb1d0e
Markdownaf73eb3fce5de437054b16343c902115cc23f6caea39c06de898a71cc18849b7
PDF
Publication page166be3a863edfa1a3d7a220ffaf36983a803054f767d5945cba75054c49a41f1
Manifest3188fc7b4d2fcd9788f613b9ef2a54dfbeac47c563e6f796ec0e6aaede87db65

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
SignatureRU8FN5rb5AFtVRu2w1DIIRgCBEgiKZJrSuLaSg0W48SxlYFPPlNU0Q3TkfwYPlPEABgS4aRuKx4fHigBb0/jCA==
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

2026-09-17T09:29:27.435461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099550
observed 166be3a863edfa1a3d7a220ffaf36983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.418556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099550/manifest.json
observed 3188fc7b4d2fcd9788f613b9ef2a54df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.399179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099550/publication.md
observed af73eb3fce5de437054b16343c902115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.379750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099550/publication.txt
observed 73d36238c142a3bbfd1680bafd69aa3a...
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.