OpenTechnical

OT-2026-000012595

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000012595) never changes.

Identity and time

Publication numberOT-2026-000012595 · never reused
Internal UUID01a0ae6d-39f8-7b42-abc1-f817a95d53dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012595
StatusPUBLIC

Content hashes

Canonical textc46d07cdbccc922773a106ad9fdb921fe71b62346184981a4dc94ba58f1c9e1d
Markdownf461081981b78b335bf61d471834104427387e71e0a4b07d3c7675c98c545073
PDF
Publication pagea6cd64cbc5586efa58b1b665db1652f619de47781bea2a1d620697c5b1fb7fa2
Manifest8999d1ead3e3d111ae0cb1605d8ec83bd071739381e702be788be3938f3ba223

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
SignatureeBwwrJ/Yd0jjTZDE6kB/T5jb5P+d/dMMuhoYRn4GnUmSV41Ogc38A4TQP0wR1PBIpnGbFQJP39hxLZGirCdWDg==
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

2026-09-17T12:12:09.200611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012595
observed a6cd64cbc5586efa58b1b665db1652f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.181831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012595/manifest.json
observed 8999d1ead3e3d111ae0cb1605d8ec83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.165421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012595/publication.md
observed f461081981b78b335bf61d4718341044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.148686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012595/publication.txt
observed c46d07cdbccc922773a106ad9fdb921f...
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.