OpenTechnical

OT-2026-000039787

Publication integrity record

Four cup vacuum gripper, four 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-2026-000039787) never changes.

Identity and time

Publication numberOT-2026-000039787 · never reused
Internal UUID01a0ae78-d8d5-7fe3-8d94-75f4d46779a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039787
StatusPUBLIC

Content hashes

Canonical text9275fe80e0a9bf1ab9b153ffd907e599d5db8713045da0fad92768c102d742a9
Markdown9025f8aa7a5c912bc86473ce7936fed3bc0d8d5f752a34c9fe4db52a365c0df2
PDF
Publication page7db9ca822318720f07a9467097c590992d2f25735efa802cfeae13b35e708c3e
Manifest8687eea9098c2b5a26e926546dfbc97c50ff8a64e844568f4568136ff6a21c81

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
SignatureKTLnF1eQgDVHK+qV4cgusN5O+knVLT+Bjw69h003k/iEyrtZps1jSerDfO7LQkYWE2fgYRHhfJBhMFP8lZfmBQ==
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

2026-09-17T11:20:00.801497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039787
observed 7db9ca822318720f07a9467097c59099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.784753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039787/manifest.json
observed 8687eea9098c2b5a26e926546dfbc97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.769117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039787/publication.md
observed 9025f8aa7a5c912bc86473ce7936fed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.750645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039787/publication.txt
observed 9275fe80e0a9bf1ab9b153ffd907e599...
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.