OpenTechnical

OT-2026-000080371

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, sustained blow-off before set-down

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-2026-000080371) never changes.

Identity and time

Publication numberOT-2026-000080371 · never reused
Internal UUID01a0ae96-7e77-7142-be35-69325a10e505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080371
StatusPUBLIC

Content hashes

Canonical textb0e830a4b2d609c98cd7a433e4bd99d23bebec280ad7588c58f0603dbcc5c101
Markdown1a97745e8a20ae046bd0fbf33ed346b1f8df582584796d7a137760ab6a199ef2
PDF
Publication page8813eab22be65edcdd4f9f4db8389703f35b4f50e98aa6888606be16a4e6b8df
Manifest41fab4ce0778d18b6c770f9399730c70550340222d7c1d51d133c8e53e6785d9

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
SignatureT4SsmMne7Ih0W8uHRw1rNVSRSECV6aVvTaECq1SRnfi+iAiYshi9Dos5t7yc/VkN75gjhV+FLcLg+LPt6ELZCQ==
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

2026-09-17T10:02:51.716393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080371
observed 8813eab22be65edcdd4f9f4db8389703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.697751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080371/manifest.json
observed 41fab4ce0778d18b6c770f9399730c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.681578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080371/publication.md
observed 1a97745e8a20ae046bd0fbf33ed346b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.662577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080371/publication.txt
observed b0e830a4b2d609c98cd7a433e4bd99d2...
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.