OpenTechnical

OT-2026-000038403

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000038403) never changes.

Identity and time

Publication numberOT-2026-000038403 · never reused
Internal UUID01a0ae78-2d52-797a-a578-a0c798a34360 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038403
StatusPUBLIC

Content hashes

Canonical text1362ca759a6b5df3c8d49599291bf785d068fa8e027aa52aa439d1c2032d4c7b
Markdown195cd908358751c456c28c7c705a0970f9492dec250fc3bc3010da18888ea21e
PDF
Publication page6de5ba48c02200b093ea39f55dbd4afbc1c6cbfdceae8fc906082d2b46678659
Manifest5d06772ba074b92604d889557613097b382f11e1e609eface2be234980b0f070

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
SignatureiQKXAwZExz+95x8isWRbsTQOk5Q6Fw7QKgCsT5LyNaEoyyU6nzWi0Zr/dOGdA9rRb2cp9JD78NUQkKywQaE9CQ==
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

2026-09-17T11:22:36.787802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038403
observed 6de5ba48c02200b093ea39f55dbd4afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.769598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038403/manifest.json
observed 5d06772ba074b92604d889557613097b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.751034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038403/publication.md
observed 195cd908358751c456c28c7c705a0970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.732825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038403/publication.txt
observed 1362ca759a6b5df3c8d49599291bf785...
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.