OpenTechnical

OT-2026-000071275

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000071275) never changes.

Identity and time

Publication numberOT-2026-000071275 · never reused
Internal UUID01a0ae91-e0ec-7b0f-81ef-7d97b9a811d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071275
StatusPUBLIC

Content hashes

Canonical textd7c66b1a67d2a930b8f46d103d6a2b7ec2e8772ee5d1523006e311cf2786222e
Markdownc1b7666f8e31933beedc106e6308059c3975475b396e7a6da9e42e5e61bdc6ba
PDF
Publication page759de57e896f6f4dda44936b8c328825b08f9670b21600fbf446ff24cf6e1c4d
Manifesta35406113159cf4ef75215e7866862982786d7d488ccbd9e6b24059b19f4ee7e

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
SignatureVxxu5SJ/E2uNaUcZsdytASl2vikWx5342F318Lp/3nyAdGfX3O7LTxbJXqFUExlOocQduBJ5N4vFEZ3Tt1llAg==
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

2026-09-17T10:24:50.289640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071275
observed 759de57e896f6f4dda44936b8c328825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.272114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071275/manifest.json
observed a35406113159cf4ef75215e786686298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.254310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071275/publication.md
observed c1b7666f8e31933beedc106e6308059c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.235608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071275/publication.txt
observed d7c66b1a67d2a930b8f46d103d6a2b7e...
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.