OpenTechnical

OT-2026-000070421

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000070421) never changes.

Identity and time

Publication numberOT-2026-000070421 · never reused
Internal UUID01a0ae91-545f-7476-a641-2514db1ce0a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070421
StatusPUBLIC

Content hashes

Canonical textfb37e621626c8b07fe62cfb82d050d515f90ccc90ba0c0173c9c833c62f64099
Markdown436a5cf20bb311385a209bb07d3e6a63201dcd911937937c1a97ea484eddcec1
PDF
Publication pagefacacf1b5064735faa9910fba20fab2230abf2907d21eb066d74e418980e6909
Manifest52010c749e52e749e7629b3bbe0f3cb78dda77e58fc6b7e5869a655e593772e5

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
SignatureJUWMWrjIFkF9A7ie9lDybYSIf2s1dC9YcBAcr4NDoQ/fmyNUR4yia/qniFqQHy0RzyTUs+bafHyqKvIPczYUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:14.093005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070421
observed facacf1b5064735faa9910fba20fab22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.074762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070421/manifest.json
observed 52010c749e52e749e7629b3bbe0f3cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.057150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070421/publication.md
observed 436a5cf20bb311385a209bb07d3e6a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.038632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070421/publication.txt
observed fb37e621626c8b07fe62cfb82d050d51...
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.