OpenTechnical

OT-2026-000086422

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000086422) never changes.

Identity and time

Publication numberOT-2026-000086422 · never reused
Internal UUID01a0ae9a-2c97-71fc-9c35-b0fb1eb992a2 · 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-2026-000086422
StatusPUBLIC

Content hashes

Canonical text4baa5e7c58e9f2ec16b93dcf338471c4e41d514a7b409b32f199f4a6dc6864e4
Markdown7f3319014dc5372693bb0e6ff5840f244340816fc1e3a7bae49dd224c2aa8405
PDF
Publication paged042114a8096ac7013c4504270d70f805e179318373cde1eded0ceaf76ae9617
Manifestaad1386e088d8ebd257fd8ca00d868366fc332e096c8fdd17b8a12d6774ef629

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
SignaturewtZRlJvWPyH10K/Qh9n83MIee3+OMt1wRiVsPJibzYWVNxWq2k7VxQHczeFPON/g/61CzXd05F3K7MKKA8WvCw==
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

2026-09-17T09:52:12.960624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086422
observed d042114a8096ac7013c4504270d70f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.942495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086422/manifest.json
observed aad1386e088d8ebd257fd8ca00d86836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.896372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086422/publication.md
observed 7f3319014dc5372693bb0e6ff5840f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.852880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086422/publication.txt
observed 4baa5e7c58e9f2ec16b93dcf338471c4...
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.