OpenTechnical

OT-2026-000039274

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039274) never changes.

Identity and time

Publication numberOT-2026-000039274 · never reused
Internal UUID01a0ae78-9674-7926-bc0f-3212b1bcd26d · 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-2026-000039274
StatusPUBLIC

Content hashes

Canonical textad005e1a7d40cd72b956968d2a3611d94ed66dfac95e9ed110c4e0e1646d7c36
Markdowne7cb67b1d3c647f084584f330a4cdfd1929957cbf4d20638eae666d53512c853
PDF
Publication page999febf40f3c4763635b81b9e436d513fa568328aea1df9a7e9808779a01daac
Manifestfb379b2ab26fc6c66e3c1929c6f3c798edc950677ebe7d3657a8ddc28511e8ea

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
SignatureAZ1Kt3ELGmx/Ux6cZlynBMohZr+C+1nNNk4XDn+EnpaRKRCd101ciM5kgDjKQtQ5uogHnpAcDjfLAvLvLssQAQ==
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

2026-09-17T11:20:50.675677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039274
observed 999febf40f3c4763635b81b9e436d513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.652650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039274/manifest.json
observed fb379b2ab26fc6c66e3c1929c6f3c798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.551554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039274/publication.md
observed e7cb67b1d3c647f084584f330a4cdfd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.531638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039274/publication.txt
observed ad005e1a7d40cd72b956968d2a3611d9...
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.