OpenTechnical

OT-2026-000061270

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented after set-down

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-2026-000061270) never changes.

Identity and time

Publication numberOT-2026-000061270 · never reused
Internal UUID01a0ae8b-1383-76ae-ab08-2ab491f94794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061270
StatusPUBLIC

Content hashes

Canonical text21cb5d1e485d84e5a6f7937f5e2b7bfea7b85569c2fbc4d4481b5e5681456093
Markdown01ffbb0fc2d1904a44a435c28809f77dcb5b8d230aa398abb81eaa6ce993a619
PDF
Publication page2bd9b63837c4ac4e3dce13ea858a42dd3aa6e37769a51111f317d77a1ad0e627
Manifestc06fadc24153ff57db55b9de61f586ad13bccd18c84a959b8bedfdbb71a230a1

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
SignatureGfhwOnLCERCMGiqx7J446bg8TAigYFltUZNaWBEPnRQlpeJs4DG4uBT9aU437Ztd+Zvxg6Y3G6u/Z2oBvryMCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:41.436073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061270
observed 2bd9b63837c4ac4e3dce13ea858a42dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.418412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061270/manifest.json
observed c06fadc24153ff57db55b9de61f586ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.400037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061270/publication.md
observed 01ffbb0fc2d1904a44a435c28809f77d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.382766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061270/publication.txt
observed 21cb5d1e485d84e5a6f7937f5e2b7bfe...
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.