OpenTechnical

OT-2026-000080849

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000080849) never changes.

Identity and time

Publication numberOT-2026-000080849 · never reused
Internal UUID01a0ae96-b974-757b-b8aa-0ceaa5d0df41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080849
StatusPUBLIC

Content hashes

Canonical text87bc41614a589d0d5cd73a04d36f89b7e19615bcf3e1ef9286d75c1bd380f87e
Markdown56f02084e0f91d12196aa63491e70e13fb76a4ce069b021c5e6e588629bef24b
PDF
Publication pagefc62c155110a7d345dae5590a2166a9c139d402e45c988f52c9685fcb829854a
Manifest2419fcf7d2d54853a5c3659fa1dfbd9d01f67bdbccb6506ce8e737b6c0b09e10

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
SignaturedZhDamIBa1xulMqSewSR7vT9zTh0zGc6G/91Mmb8fHz0EbBdPuh6J3jZLSze2970I5vIfBopIE5LwIAS/Ex3Ag==
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

2026-09-17T10:02:02.465006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080849
observed fc62c155110a7d345dae5590a2166a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.446726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080849/manifest.json
observed 2419fcf7d2d54853a5c3659fa1dfbd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.428159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080849/publication.md
observed 56f02084e0f91d12196aa63491e70e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.408712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080849/publication.txt
observed 87bc41614a589d0d5cd73a04d36f89b7...
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.