OpenTechnical

OT-2026-000061286

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented 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-2026-000061286) never changes.

Identity and time

Publication numberOT-2026-000061286 · never reused
Internal UUID01a0ae8b-1384-7a1d-bf7a-aca621c74ac4 · 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-2026-000061286
StatusPUBLIC

Content hashes

Canonical textee74004720f4fd09275cd5664ce49b401b5d491dc69314949f638827c6c723b8
Markdown617351acd78dedd7580903a2bded8d401aa4b502b2bca597d32c355849a7ca84
PDF
Publication pagef34ec5fe3d26c2c48ac962407fbfe744cbae17c4530e37a29dda334870473a16
Manifest28d35fda10540bf9bca48ed6480351a3c4a20085be52c2882155cff3450372fa

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
SignatureMYgyyWfWMadb2Aw3o5RiB7REk1YKc28TgGNEjjVIb2q3qRz4CSbzl66JCEaB5nh4bCytKSwbsAOr8FpGZRDFBw==
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

2026-09-17T10:42:42.624665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061286
observed f34ec5fe3d26c2c48ac962407fbfe744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.606116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061286/manifest.json
observed 28d35fda10540bf9bca48ed6480351a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.587342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061286/publication.md
observed 617351acd78dedd7580903a2bded8d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.570128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061286/publication.txt
observed ee74004720f4fd09275cd5664ce49b40...
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.