OpenTechnical

OT-2026-000047951

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000047951) never changes.

Identity and time

Publication numberOT-2026-000047951 · never reused
Internal UUID01a0ae7f-c422-7228-8049-9cb7192bc170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047951
StatusPUBLIC

Content hashes

Canonical text06c75917c07a2dace433723f3ef2b109f25437723341663eb8a37ac4351e1e19
Markdown341b3bb520a248175012227afeb4587dd67fc185762e665017b83838b68b9c5b
PDF
Publication page729dd344790d409d2c95f45b4fcecb560297a7989bce6b18e052130bad22ac41
Manifest324dc5c86540077dd550793de8444213acefc4a50e2dc0d1b87d2d09819c02b8

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
SignaturembjSqoPWvh5ipAyAbDh8BP1VC1rhvn/IbB8IgV+XdkfvYLEhLAK9vnO6+tE0LV1POq2kqxoVVxL5Ru+9itmYCA==
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

2026-09-17T11:05:55.246877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047951
observed 729dd344790d409d2c95f45b4fcecb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.229125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047951/manifest.json
observed 324dc5c86540077dd550793de8444213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.208820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047951/publication.md
observed 341b3bb520a248175012227afeb4587d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.186193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047951/publication.txt
observed 06c75917c07a2dace433723f3ef2b109...
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.