OpenTechnical

OT-2026-000032249

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000032249) never changes.

Identity and time

Publication numberOT-2026-000032249 · never reused
Internal UUID01a0ae74-f7a7-7aa5-948e-bc938e9e6311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032249
StatusPUBLIC

Content hashes

Canonical text309a3ab4438f2ca3a3f5fd009a287b9d4839d9f41f0b3953e95e62c8cc9ab250
Markdownce66b7bab875850058d688da14c91d8870743341e18c51f8f0565ea61c118187
PDF
Publication pagec082b4e77007142b52066dde2c3ff26f4fcd94a7e33c5c18bfe124886aa080bb
Manifest8b47aa2f0d15c102f66edc2b6e1a644e3daa45a9a3029d28fb13a4240a233f59

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
SignatureY93kslmTplubJL0N6wA0AHind+AsxBoDHJfgzbqFcx+WAOz6H8pNX0mgSrJdTBpJCKr+CVw0LAKR9AhDR3e+CQ==
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

2026-09-17T11:34:36.361817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032249
observed c082b4e77007142b52066dde2c3ff26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.343049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032249/manifest.json
observed 8b47aa2f0d15c102f66edc2b6e1a644e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.327934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032249/publication.md
observed ce66b7bab875850058d688da14c91d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.310207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032249/publication.txt
observed 309a3ab4438f2ca3a3f5fd009a287b9d...
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.