OpenTechnical

OT-2026-000046591

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000046591) never changes.

Identity and time

Publication numberOT-2026-000046591 · never reused
Internal UUID01a0ae7e-57de-7891-ab82-258d6b842a35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046591
StatusPUBLIC

Content hashes

Canonical textbc1ccf8482330d3836329386456ed44c9c6d4deea02ce66b67c36974657c06d4
Markdownef86222eaae5f40c6b27aa1f6f04cff80803af78666783e4488ae0f0ce7bf2a9
PDF
Publication pagee86173040d5d7b5964e356826b0389a9954578959726b616122a9f3fc9c84e42
Manifest79f3a8474d1c9c8b7913882a4b03967d73b5d7d0c533c8eba1d29c3180763049

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
SignatureFy9no/cGmengv6I1pkCzRErVysk3RgCttCH9OFWB1URhNWh9dd90I9xSiQcNorrOQdGnRUW2m5wU2Rpm6woaDA==
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

2026-09-17T11:08:39.929970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046591
observed e86173040d5d7b5964e356826b0389a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.911372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046591/manifest.json
observed 79f3a8474d1c9c8b7913882a4b03967d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.891197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046591/publication.md
observed ef86222eaae5f40c6b27aa1f6f04cff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.873157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046591/publication.txt
observed bc1ccf8482330d3836329386456ed44c...
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.