OpenTechnical

OT-2026-000023181

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000023181) never changes.

Identity and time

Publication numberOT-2026-000023181 · never reused
Internal UUID01a0ae70-7267-787e-ac6d-78a45151f2df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023181
StatusPUBLIC

Content hashes

Canonical textfe652403ca60a1e56b4f7607bc901fdb5aae0ccb1079c2e17bc40f17e0f68d9f
Markdown54b422e51ce5e06f356fc7f78c3d3e1680b52de43811639f3c35450171462641
PDF
Publication paged0ba4cfae42aac28254c678eea3b3455ad5e21d219243f15203f7fb7ad2e0c52
Manifest93a1486f9a71de35d79f8f5d87fa4770a573797ef2c2d2225ac886b43c0495d8

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
SignatureSn6AcSNNZZSpByUVBRxUsbSGF9dA3RKF6HulVbLALkUfTGr1Zdlod07lIQg1ev63Cn3ysXLCnlVoq8CFIHQXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:07.702241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023181
observed d0ba4cfae42aac28254c678eea3b3455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.685239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023181/manifest.json
observed 93a1486f9a71de35d79f8f5d87fa4770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.669521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023181/publication.md
observed 54b422e51ce5e06f356fc7f78c3d3e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.650521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023181/publication.txt
observed fe652403ca60a1e56b4f7607bc901fdb...
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.