OpenTechnical

OT-2026-000054328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000054328) never changes.

Identity and time

Publication numberOT-2026-000054328 · never reused
Internal UUID01a0ae85-b3a9-74e8-a80b-e25ab94c34a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054328
StatusPUBLIC

Content hashes

Canonical textfc126af2e968b94ccc6222da190d7b959631348657501ab16acb9ef33ad06509
Markdown3d5bda77a28ddd83d315b2374a85cbe4bac3962cd7bc1e54ad33fb581922fbc0
PDF
Publication page027ceecfdc301cf92c43c9192f09f1883d4dd117b5a93672b2c06d390ead859f
Manifesta948bfb29c69b19bc38167699ea6a0b7a4bb942b52806771224840fe284ca256

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
SignatureSTp5F4VX/VwQgiAAUOqujVj+witDyciJ+G0im6mNkCMjT0YUU2yZ1N3Q2G8V+Ycm8FhPMNcQQADm+lskL2OsBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:50.329831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054328
observed 027ceecfdc301cf92c43c9192f09f188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.310439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054328/manifest.json
observed a948bfb29c69b19bc38167699ea6a0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.290288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054328/publication.md
observed 3d5bda77a28ddd83d315b2374a85cbe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.262244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054328/publication.txt
observed fc126af2e968b94ccc6222da190d7b95...
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.