OpenTechnical

OT-2026-000086539

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000086539) never changes.

Identity and time

Publication numberOT-2026-000086539 · never reused
Internal UUID01a0ae9a-2c98-7a4e-a0d8-67b35c295f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086539
StatusPUBLIC

Content hashes

Canonical text6bdc5ea4867905b3343e9d830dcc0783fa02898097592c4c034e3776a852dec9
Markdowneb768b0cf2feb9cdf4bfae8166cc60130313ef88fe0cd6487646efc51d79fef1
PDF
Publication pagee15d1d6e9b4c4d17e39d7e643b944b57702436905d4daf4bc863c70ca16ce445
Manifest3ebde406d4268638041f506c6c7e5d22c3a733524ceeaa49f3e6f2793afafbb9

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
SignaturelStHud+D8tDeCkei5IhqZysB8uQvWA8Hx7+VJ+bstf4pFTYdQMqBLWXmaeIKm+TTDCv7tOKMI/XK2Z5gxneqDg==
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

2026-09-17T09:52:21.951660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086539
observed e15d1d6e9b4c4d17e39d7e643b944b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.934314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086539/manifest.json
observed 3ebde406d4268638041f506c6c7e5d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.916068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086539/publication.md
observed eb768b0cf2feb9cdf4bfae8166cc6013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.897775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086539/publication.txt
observed 6bdc5ea4867905b3343e9d830dcc0783...
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.