OpenTechnical

OT-2026-000012947

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000012947) never changes.

Identity and time

Publication numberOT-2026-000012947 · never reused
Internal UUID01a0ae6d-5564-7c30-851c-3bf9a0e46600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012947
StatusPUBLIC

Content hashes

Canonical texte5d9ee8677cecaf54934b03751cff09f5b107b107acf5322f754911643f5a323
Markdowncb59f84c4b44b2f52369fe638a7a933bd04c219308fc7db6e9bb50b5e1a990bd
PDF
Publication paged52ebf6acd628b633826df2d8d3a5f670129ca228fb4cdc864c1c43688166173
Manifest9e851b29024d3c14ddec3c7db216354c9594748dc72a568260f6e1566b350c01

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
Signature4Cvs2H2NrCNMk7zBY8hZjmt1heYtiZgL/4CIYUB7YULqHAplNEvgQW8T7/ivapUImexvTgk4P0cOsbfzXQx3Dw==
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

2026-09-17T12:10:45.157212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012947
observed d52ebf6acd628b633826df2d8d3a5f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.138149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012947/manifest.json
observed 9e851b29024d3c14ddec3c7db216354c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.117529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012947/publication.md
observed cb59f84c4b44b2f52369fe638a7a933b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.099234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012947/publication.txt
observed e5d9ee8677cecaf54934b03751cff09f...
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.