OpenTechnical

OT-2026-000041859

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000041859) never changes.

Identity and time

Publication numberOT-2026-000041859 · never reused
Internal UUID01a0ae79-e8a5-7211-a21f-11f299b6e9a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041859
StatusPUBLIC

Content hashes

Canonical text1c14370b0735f33c0dec1e40c65e9e489d7aa85a6304d39fefc502c6dbdddef8
Markdowne32f15daf14b59f58ae02a0b72e7cc86e18ab4fc1db963d92d9ade322b64e5a4
PDF
Publication page621c68b2525d122e1be1c47d83fa4870b0c28ccc7183de04d9573f3e516163de
Manifest5dbfdfc3fef09d916097b701b9759550a39ba0dce89e84a2e624b6a5c0b7bb3a

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
SignatureY7pin4y0nY8LqlJujQaj4gqp/R/YNGOF0jjOv5m50YjfEgmdm5gZUNpUXkDa07vF+o/mp3Lh4biwF3Iqps8NDA==
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

2026-09-17T11:16:43.799616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041859
observed 621c68b2525d122e1be1c47d83fa4870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.782587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041859/manifest.json
observed 5dbfdfc3fef09d916097b701b9759550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.763769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041859/publication.md
observed e32f15daf14b59f58ae02a0b72e7cc86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.745376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041859/publication.txt
observed 1c14370b0735f33c0dec1e40c65e9e48...
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.