OpenTechnical

OT-2026-000038933

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000038933) never changes.

Identity and time

Publication numberOT-2026-000038933 · never reused
Internal UUID01a0ae78-769f-7971-ae66-76deaa89698e · 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-2026-000038933
StatusPUBLIC

Content hashes

Canonical text23d86adc1d03bb478d4498e4cbc0824fa2fb5eb37189507027019c49ffffdff4
Markdownb998b5674a0680720ed45ba3b9d2495578eb7967f1f0de57ea16f8198c1c7ba2
PDF
Publication pagebffa3809b7617f4e6aeceadc679617fc06ffc9998064e8a296f1dbd6b6f35325
Manifest33a5eaf626328f7e260ce085ea4dc4123fd32820c4c53d2d847b544a300f8cc1

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
SignaturezbHDQuw+zl+D0RtnK4SvprAPXXBSRxfq1BSaATyrOpIu3KZXnFF1hmj+11HAje++wLY+aKzrJxg+0O6KOxjQCg==
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

2026-09-17T11:22:12.078772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038933
observed bffa3809b7617f4e6aeceadc679617fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.061389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038933/manifest.json
observed 33a5eaf626328f7e260ce085ea4dc412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.043807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038933/publication.md
observed b998b5674a0680720ed45ba3b9d24955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.025203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038933/publication.txt
observed 23d86adc1d03bb478d4498e4cbc0824f...
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.