OpenTechnical

OT-2026-000041241

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000041241) never changes.

Identity and time

Publication numberOT-2026-000041241 · never reused
Internal UUID01a0ae79-b143-7e0d-bc40-251180673aa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041241
StatusPUBLIC

Content hashes

Canonical text1d5c8800e484b2e8248a9111b844b077887c488bdb289581e3477724f7ff4ada
Markdownd309752574200ef9d20cbfcf774f8aaa2e32d096938e784c76d4af7c08f4bc78
PDF
Publication paged97362dca1e588fbe8626c5facfdb4bb97272d3f032b5b5b9b93d8f06b4df6c0
Manifest1881960eef4394333ca050e1bfa9b819a82b7a4416cfd53bb38eb9027c78198e

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
Signatureka3ryLMYHV2qXwKK+hLFnIdUn741FZYh+sYDykq6Ys852MFh/Pynrdw+NRncWnHHrzA/1NTOEPeI0FPY+g3TAQ==
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

2026-09-17T11:17:12.474042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041241
observed d97362dca1e588fbe8626c5facfdb4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.454746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041241/manifest.json
observed 1881960eef4394333ca050e1bfa9b819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.438678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041241/publication.md
observed d309752574200ef9d20cbfcf774f8aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.421617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041241/publication.txt
observed 1d5c8800e484b2e8248a9111b844b077...
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.