OpenTechnical

OT-2026-000077230

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000077230) never changes.

Identity and time

Publication numberOT-2026-000077230 · never reused
Internal UUID01a0ae94-f508-78bb-88fd-3ec618a36bd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077230
StatusPUBLIC

Content hashes

Canonical text184fafacb3d9b7d25512911d816d2ae117a94057d8bd7f933f04bc7a8f502f06
Markdown5995a7e981b594f6748c72059229565c73e12f7f4e6720ffa1f8df3f15b8d4bd
PDF
Publication page75de82c188d2b6b381f8bd1572b2711681721b8e959e78076224d5d8d259b30b
Manifest0f47854184729a3d497fde3a3afa9b840fd2334d47beec67844d06e2cda12c49

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
SignatureeeSzQXOoXs0mois0t9qfos0/KUV98HJOMI5453VDxe0CgIg0/Ff0A3bIk4fnNpbe2mrafpQfNjINM6/L7rFMAg==
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

2026-09-17T10:08:50.454814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077230
observed 75de82c188d2b6b381f8bd1572b27116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.434006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077230/manifest.json
observed 0f47854184729a3d497fde3a3afa9b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.323580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077230/publication.md
observed 5995a7e981b594f6748c72059229565c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.222198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077230/publication.txt
observed 184fafacb3d9b7d25512911d816d2ae1...
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.