OpenTechnical

OT-2026-000077451

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077451) never changes.

Identity and time

Publication numberOT-2026-000077451 · never reused
Internal UUID01a0ae94-f509-7474-88fe-be382a8ff1fb · 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-2026-000077451
StatusPUBLIC

Content hashes

Canonical text89b5e4350b0490fecf129544a3d2d32d98cb943d45faaa5ccae23209003cf644
Markdown6b68fbd0f7e12e00a7b13e92c1ce20fad359010d9ce876d0a8bbd9362f1d7b1a
PDF
Publication page8779ff7423ea00a73eed6f5b94c1e10737a3c38a192e062a9b2f40a636b62197
Manifest512741a5181bd3bdbf620cb16adf3ac6b5f5e4b2ebc8f260c9cdeb238b16bc5b

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
Signatures0KTNQOg/E21OvYBr52haLAfyxF/M29Mc876T38c3o5CUyrjl3AxGbdgH4I+Bn802+5vUPCjXJMBRiKz2hrIBw==
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

2026-09-17T10:09:08.217221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077451
observed 8779ff7423ea00a73eed6f5b94c1e107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.197983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077451/manifest.json
observed 512741a5181bd3bdbf620cb16adf3ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.178727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077451/publication.md
observed 6b68fbd0f7e12e00a7b13e92c1ce20fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.158880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077451/publication.txt
observed 89b5e4350b0490fecf129544a3d2d32d...
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.