OpenTechnical

OT-2026-000012561

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000012561) never changes.

Identity and time

Publication numberOT-2026-000012561 · never reused
Internal UUID01a0ae6d-39f7-7175-a361-2e69dd04f35d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012561
StatusPUBLIC

Content hashes

Canonical textd6907fabc9b347870dbbeee09bb326f3577c050f00408b5ae21b3d4fc925c3db
Markdown61ce24315545a9f2e536f08bb282aaba398662e097dbedb425c9106adc98452c
PDF
Publication paged212543466531670d1ce1201d132e26f9cae207d61f50d162705a55ab5189106
Manifest6f9b4a625056a2a56459502d5b29475947dd34da8bd4e2b45bef94c8b9ddfd8a

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
SignatureebtTmZ/TMkFvIDeO1e08/0iTzRSspw7zjZdKPLVCJHGSWCLY6sliV+f73y3QMFb5Y3DfLd6+QYT9iyyadPdMDA==
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

2026-09-17T12:12:06.552198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012561
observed d212543466531670d1ce1201d132e26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.535057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012561/manifest.json
observed 6f9b4a625056a2a56459502d5b294759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.517316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012561/publication.md
observed 61ce24315545a9f2e536f08bb282aaba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.496234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012561/publication.txt
observed d6907fabc9b347870dbbeee09bb326f3...
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.