OpenTechnical

OT-2026-000060638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000060638) never changes.

Identity and time

Publication numberOT-2026-000060638 · never reused
Internal UUID01a0ae8a-b7cd-7fbd-88f0-fe3a7ee30ce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060638
StatusPUBLIC

Content hashes

Canonical text6b27fc98fe7ff9661b865c99aab93f017a612cb33c2cb789ef1d699d7fa3e6ea
Markdown653e297bba909644dcaa93bca1ae1fdcb40c8397179a5f4e55b374018bd7e1f5
PDF
Publication page9ed2ccb0342235cb678c7536626e484e72574a64dabc9e6eef0cb87159c8e3f6
Manifest929976ce0ed4e9499679bf6bcd52e7db0f4c57040c434528df2176b75929d17f

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
SignatureHYhVBBg/KWhkZjQyofJ02Oa96cE4QiQlm9siJv5xrSqR/uHIVd7+T9w8v7OeCp51+KwtrOajHT25LVwX5NcGDw==
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

2026-09-17T10:43:16.087263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060638
observed 9ed2ccb0342235cb678c7536626e484e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.070987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060638/manifest.json
observed 929976ce0ed4e9499679bf6bcd52e7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.052467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060638/publication.md
observed 653e297bba909644dcaa93bca1ae1fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.035673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060638/publication.txt
observed 6b27fc98fe7ff9661b865c99aab93f01...
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.