OpenTechnical

OT-2026-000015712

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000015712) never changes.

Identity and time

Publication numberOT-2026-000015712 · never reused
Internal UUID01a0ae6e-0c4b-74a1-b59f-7fef266f88fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015712
StatusPUBLIC

Content hashes

Canonical text02d9c428c6c897e80ced3b0863ef8cf6dcd379e8633d2410016f297a81d66b01
Markdowncec188be657399fb635279263934ea93676fb471d440648bfa2155fb1d1e7fc1
PDF
Publication page37413c1ae7d218b5ac518d63bfcdcd8d2e148d9b05060d2b8868a6d9fdc980e2
Manifest72c16d9f464e49ea8e246bdbb02d45e9fc5f0628c243a98952e16b7ddd45c4a1

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
SignaturexXXCLx5Xl6wNHpH8xMTbQnrXCicOPADgx0BbuwpcCTYIRNc/MUBX8nGt1B0GIbuCjLWa/BBdfq6iLASWSsFiAw==
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

2026-09-17T12:04:59.598087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015712
observed 37413c1ae7d218b5ac518d63bfcdcd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.581595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015712/manifest.json
observed 72c16d9f464e49ea8e246bdbb02d45e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.563495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015712/publication.md
observed cec188be657399fb635279263934ea93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.546649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015712/publication.txt
observed 02d9c428c6c897e80ced3b0863ef8cf6...
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.