OpenTechnical

OT-2026-000099427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000099427) never changes.

Identity and time

Publication numberOT-2026-000099427 · never reused
Internal UUID01a0aea2-c973-7e23-9c7e-33645eca27d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099427
StatusPUBLIC

Content hashes

Canonical text023c73701ce72cb97e9d052b2beaa8701939ba9dac8c2bd8108128429c7dbcd4
Markdown97af091e5e7fadabcce368563bd146a457b71693b36e403f0cd028a055202c6f
PDF
Publication page36baf72ee3564ab55ec253af29a97e3fe4c8953df9a48f551b927686e38f1059
Manifesta9d68092cbebc96ea501efc41a8c0b041c2c6d6cd3c2ed6b62b3fcdde5562483

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
Signature+U94GWyQ1AIwjYjj3f19e6yQkrLibEK8Iir8hWqNRyVIhCOBvsx8e8kf3VvoTen2C2W7mTAC6ZDBLNFxh/dmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:12.002416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099427
observed 36baf72ee3564ab55ec253af29a97e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.983304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099427/manifest.json
observed a9d68092cbebc96ea501efc41a8c0b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.966778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099427/publication.md
observed 97af091e5e7fadabcce368563bd146a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.950306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099427/publication.txt
observed 023c73701ce72cb97e9d052b2beaa870...
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.