OpenTechnical

OT-2026-000029379

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000029379) never changes.

Identity and time

Publication numberOT-2026-000029379 · never reused
Internal UUID01a0ae73-5e20-7aeb-beec-0ea493e22936 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029379
StatusPUBLIC

Content hashes

Canonical text4c3e4f66a32cefe156e73a123ff84a1eb3321dd9fed4eeffccb5882112c69c89
Markdown7cdd72fa155afb0d57e132c1fc14167c67f2b2f63a8dd6759fce5dbc6f99878a
PDF
Publication page7cb0b1f0bd24cf62271ad97762ddc0446009f0330e782032e15f8422a5516db6
Manifesta60e201688bb82f4a4ba7d1d84cca6d3e7336103c07e85a74ba327cd612d4aa6

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
SignatureznrYRu0klH496diupZiQARRiEJZxNcTptOjxpet42ia1ODAU/+6bheLUqlCNv452EC959LvpV1RkgZAoPRjPCg==
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

2026-09-17T11:38:56.626677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029379
observed 7cb0b1f0bd24cf62271ad97762ddc044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.609041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029379/manifest.json
observed a60e201688bb82f4a4ba7d1d84cca6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.591023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029379/publication.md
observed 7cdd72fa155afb0d57e132c1fc14167c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.569901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029379/publication.txt
observed 4c3e4f66a32cefe156e73a123ff84a1e...
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.