OpenTechnical

OT-2026-000038923

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000038923) never changes.

Identity and time

Publication numberOT-2026-000038923 · never reused
Internal UUID01a0ae78-769f-7dde-ac94-cb8579994d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038923
StatusPUBLIC

Content hashes

Canonical textdf60dd7384c4f235d337568a2e1c05391af41d2eaa620f777e77be28668b33ff
Markdown4859397cab2999d7177f076b4f04646e77013d8c2682c97e32912f4fbe00ab03
PDF
Publication page93809b06e6a4e23ac3bf9a093587de10dc1b0ce823932f09036a4d5afa818f19
Manifest7ffe74aed204c7305373c8bea2b2cd6f59b3cbf89c47b415b5a64eec87efa7be

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
SignaturegFH/6EDJMrY23sZmTeCsPs0bVF11LWXBPIeXd6CRMqgOvxFqHm2Qf8Z4l+F4WAbvvuRCpkBlzyi2HvxIVD9SDw==
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

2026-09-17T11:21:35.969883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038923
observed 93809b06e6a4e23ac3bf9a093587de10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.952552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038923/manifest.json
observed 7ffe74aed204c7305373c8bea2b2cd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.934257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038923/publication.md
observed 4859397cab2999d7177f076b4f04646e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.914321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038923/publication.txt
observed df60dd7384c4f235d337568a2e1c0539...
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.