OpenTechnical

OT-2026-000039351

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000039351) never changes.

Identity and time

Publication numberOT-2026-000039351 · never reused
Internal UUID01a0ae78-9674-7476-a4cf-45da355e3f1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039351
StatusPUBLIC

Content hashes

Canonical text1d4aaffb8a5b7032548bbd0c2b0ffcda8a084e694eb98566d086bf416ea25be0
Markdown1c80cc4003966b8de11d6239b23b755474c46da5fcab37f6db1d18c7872d7728
PDF
Publication pagee923a2415cfca0b96d6e76204c2c7a3e6e13f48826418b5a3cb4c28e992005ec
Manifest65f7af06794a8955527a3a1c5e38d586213e43599af7eff91d8937f98d017143

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
Signatureycf8EM0chDhlwyCCGkw6Xw//ywOddE3BC/80mN4Bl53ehfqQmfw1SUA0Ub48J5wOrxxYi90DXNHIKmlIGIoeCg==
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

2026-09-17T11:20:56.865393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039351
observed e923a2415cfca0b96d6e76204c2c7a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.846851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039351/manifest.json
observed 65f7af06794a8955527a3a1c5e38d586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.829355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039351/publication.md
observed 1c80cc4003966b8de11d6239b23b7554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.810336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039351/publication.txt
observed 1d4aaffb8a5b7032548bbd0c2b0ffcda...
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.