OpenTechnical

OT-2026-000017647

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000017647) never changes.

Identity and time

Publication numberOT-2026-000017647 · never reused
Internal UUID01a0ae6e-96f9-7b0c-bf02-275a66b4cbbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017647
StatusPUBLIC

Content hashes

Canonical text46dd1f994f656fc024ce8c43280d8caddded3bdff6055ef92705bf94d595a4ba
Markdown236d6b4bed09a68cdec40d992c103a00f5fc80af06b31057d8b9ebc1098124f7
PDF
Publication pageaaa7a813309cd9086a1f27289324705764ccd82bd9cb911db1d0089906356529
Manifest1174c318b8d5631b5e8b6ec9cdb4b28cb03e88d1bbe5330e5d064ee705680e7c

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
SignatureOkOlgNSPKx5LswtApXactuOiMEy29ixkyTjJBi43mQ+kPPXFxDD+oGa0+6y+RqmgDusiCB9qZSbe3gcyx1SmBQ==
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

2026-09-17T12:01:27.803985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017647
observed aaa7a813309cd9086a1f272893247057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.785380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017647/manifest.json
observed 1174c318b8d5631b5e8b6ec9cdb4b28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.767152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017647/publication.md
observed 236d6b4bed09a68cdec40d992c103a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.749894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017647/publication.txt
observed 46dd1f994f656fc024ce8c43280d8cad...
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.