OpenTechnical

OT-2026-000073760

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000073760) never changes.

Identity and time

Publication numberOT-2026-000073760 · never reused
Internal UUID01a0ae93-2b8d-7d49-be94-9ca0ab1df0de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073760
StatusPUBLIC

Content hashes

Canonical textaf4343e9f3b2d95872d9a90b9f16730ca86c40d3d5bf5e82f8448cdeee6b3e7e
Markdown9cf82af08975dc0a0d49e6f83336998395593e8228e2d299cb0ea75ad08508b0
PDF
Publication pagecf6254b9e64f8aec458948e03c363b98701dd13e2e8fed5b8412e01c91c0b83a
Manifeste5691fc92c5df0847840a617511e0884fbd694affa4385bcf65f4799ae3390e3

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
Signature5gyPv9qmoWsIZVQ71ndbEl50wG/Rluk6NoAagOYYzhT+hoGn+3vd8g2Kj5vHbJ8e+MJhHHwO8zhxEX2NaZ+IDg==
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

2026-09-17T10:19:51.189413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073760
observed cf6254b9e64f8aec458948e03c363b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.169715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073760/manifest.json
observed e5691fc92c5df0847840a617511e0884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.147920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073760/publication.md
observed 9cf82af08975dc0a0d49e6f833369983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.129518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073760/publication.txt
observed af4343e9f3b2d95872d9a90b9f16730c...
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.