OpenTechnical

OT-2026-000018303

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000018303) never changes.

Identity and time

Publication numberOT-2026-000018303 · never reused
Internal UUID01a0ae6e-b489-7255-8769-cf829f6137f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018303
StatusPUBLIC

Content hashes

Canonical text75a6b500bb6c1f4628881006ccfdf04a879c8ba94e571e53d0c111a99aa37a10
Markdown5b54ac7b2d4a8312dd12082ff26d4e3c3d60253b2d5c6e438c3d2ccf589625dc
PDF
Publication page5a8317ee6ecd2e7f78a089cbaaf28914df9720983a53a39d09f95bda9463f0d4
Manifest4a51f50dd48897594f1f60786712a9d0b995bcba78549892e1f2f5e574fafde7

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
Signaturei4eUyusoBCkn4jhUCUg1mWBsaOZHRgn9vvCk9c3R1jzm27/wIOjdGb/KTrX2rJELuZAfePToqtAjlzXTfxGJBw==
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

2026-09-17T12:00:14.921487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018303
observed 5a8317ee6ecd2e7f78a089cbaaf28914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:14.896137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018303/manifest.json
observed 4a51f50dd48897594f1f60786712a9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:14.866339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018303/publication.md
observed 5b54ac7b2d4a8312dd12082ff26d4e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:14.836252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018303/publication.txt
observed 75a6b500bb6c1f4628881006ccfdf04a...
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.