OpenTechnical

OT-2026-000011072

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000011072) never changes.

Identity and time

Publication numberOT-2026-000011072 · never reused
Internal UUID01a0ae6c-540e-79ae-a559-200e3c5c1ee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011072
StatusPUBLIC

Content hashes

Canonical text4d5ccbcb7710dfaa1a7d5e4c25e1959ab05512c8928e17890305afa3a5b45268
Markdown49522215998b9cc244eeeebf67b980e730a75f15d8186426f3dbcc2994a5b8e2
PDF
Publication pagec56aad7061fbd47cd78ca805d85bb536f33fc3e7a69ff3d8c81b77423ca88ffe
Manifest94ea59d12f04135b82bed5b7ab4d3023895ad19abe51e5e1518394367551e57e

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
Signature7z3f88AGCnOapNFPxUmswtFXU12egZoMQI2RGu9UnStI/n82A0fnOohWz5IvvouPzlOuyeuyUAUNyh8grnFyDA==
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

2026-09-17T12:13:54.434725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011072
observed c56aad7061fbd47cd78ca805d85bb536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.413212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011072/manifest.json
observed 94ea59d12f04135b82bed5b7ab4d3023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.392662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011072/publication.md
observed 49522215998b9cc244eeeebf67b980e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.373622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011072/publication.txt
observed 4d5ccbcb7710dfaa1a7d5e4c25e1959a...
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.