OpenTechnical

OT-2026-000011700

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000011700) never changes.

Identity and time

Publication numberOT-2026-000011700 · never reused
Internal UUID01a0ae6d-1940-77ea-ae2f-0a182b329040 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011700
StatusPUBLIC

Content hashes

Canonical text2a86081e5830ed6b60f1075fd3b6e3a9f8c5cd4d594537d250118199e8f54bc1
Markdown57668d369fa5c01530e1411ca3a1976de3ef380308deee2f1939e9f8cc8ba928
PDF
Publication page0f8d8d8602023fe679a9077ab273b337cabe7f1dc67c85fe7d934f33ff7e31c8
Manifest66033f9188f15ca2503707b3adf08c94db3c50e9d60c2ae66742a247634f69b1

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
SignatureAN5VHHKy8rtSmgqYOgi6e/C8OEB5ra7OW6f+tuPA15Us6Wl2yAvjwMSAHx9+C+LfoIn5GAZ1v2DKpjAs8jAsCA==
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

2026-09-17T12:12:18.409040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011700
observed 0f8d8d8602023fe679a9077ab273b337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.389876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011700/manifest.json
observed 66033f9188f15ca2503707b3adf08c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.371242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011700/publication.md
observed 57668d369fa5c01530e1411ca3a1976d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.352674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011700/publication.txt
observed 2a86081e5830ed6b60f1075fd3b6e3a9...
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.