OpenTechnical

OT-2026-000019151

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pulsed 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-2026-000019151) never changes.

Identity and time

Publication numberOT-2026-000019151 · never reused
Internal UUID01a0ae6e-f391-7797-bb61-0e1ba44dee8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019151
StatusPUBLIC

Content hashes

Canonical texta5aa2a6b62bc2e3f06699f0e94418f215cf664968edcfd7d1f2c4dc5497e643f
Markdownba96e9234e54bdcdf135f185fb324c542b9fd7b899adfc7b2435ef8cdf9983b9
PDF
Publication page02ae53a96cd05f7577d531ae4fe9e9e683352b7a1242257f2a2682fdab63179e
Manifestec9ca153d024e4b8f843e2dbcba245ddce52ae430c59731f85141a8c7a76e672

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
SignatureSvp6X+sJViJTKX0K399gcbt7RYLF2hztk2PCXCKDTF5Q0dk+vc8tihWMtsguZ7JUcaXV0MSynKtTCII0cxNmCw==
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

2026-09-17T11:58:27.541614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019151
observed 02ae53a96cd05f7577d531ae4fe9e9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.523773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019151/manifest.json
observed ec9ca153d024e4b8f843e2dbcba245dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.506069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019151/publication.md
observed ba96e9234e54bdcdf135f185fb324c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.488228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019151/publication.txt
observed a5aa2a6b62bc2e3f06699f0e94418f21...
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.