OpenTechnical

OT-2026-000027467

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pulsed 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-2026-000027467) never changes.

Identity and time

Publication numberOT-2026-000027467 · never reused
Internal UUID01a0ae72-6998-7af8-bd10-8e1044f1adf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027467
StatusPUBLIC

Content hashes

Canonical text223929881bec00df20dfc36868a6160c670ae55d6c5bc5e8d66acfe2c0d95486
Markdownd94ddd2e2ecac231d84c24a827db3eb7c3c6e2a9c5275574df5de6ba61fe736e
PDF
Publication paged77a600aa1679febc7184515e099f6bb7bfa473f30e06df03126dbf84c5e29bb
Manifest9cde28349feff5e64afc146fa5d3f55737c053b0cedf2e4b8b0669878c2a0c60

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
SignatureqUid7xUsxMaEjtzzBUPnO3AXC9HFWYBvV7u/xY+Gpoak4q2PKQqM2o+YUGDUyOiozY0OBthxS+GvwyNZbHDvDw==
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

2026-09-17T11:42:55.646953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027467
observed d77a600aa1679febc7184515e099f6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.629852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027467/manifest.json
observed 9cde28349feff5e64afc146fa5d3f557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.607602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027467/publication.md
observed d94ddd2e2ecac231d84c24a827db3eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.589695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027467/publication.txt
observed 223929881bec00df20dfc36868a6160c...
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.