OpenTechnical

OT-2026-000050504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050504) never changes.

Identity and time

Publication numberOT-2026-000050504 · never reused
Internal UUID01a0ae82-5c49-71a4-b9cb-5534b6535311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050504
StatusPUBLIC

Content hashes

Canonical textf779ad8f3563e0db8a45196e3ab91332d4b5e48cec40d99f0d4826a5a6e45dfb
Markdown358c445c63ecc6fa37f1cc75b125a83bb1f9834b7182e27bbc8ac3b7621482c9
PDF
Publication page679ed8497ac99e2a9b2b1d81c444688e8c47380d7931cdcd6340432867ee2e33
Manifeste0c263fed05572bb98172c350dab824e3a07aac68f7366e4b073d6956c4a1f9d

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
SignatureSx2gGDu+gePOMMhkzXMXi8R01Gf2bI/mgbMoT2YmiJH+LSHvFE3nVDvJJF9PYCTEhBF9ZRloPh3XgKKcASHYDw==
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

2026-09-17T11:01:33.714774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050504
observed 679ed8497ac99e2a9b2b1d81c444688e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.698469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050504/manifest.json
observed e0c263fed05572bb98172c350dab824e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.682877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050504/publication.md
observed 358c445c63ecc6fa37f1cc75b125a83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.667034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050504/publication.txt
observed f779ad8f3563e0db8a45196e3ab91332...
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.