OpenTechnical

OT-2026-000098474

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000098474) never changes.

Identity and time

Publication numberOT-2026-000098474 · never reused
Internal UUID01a0aea1-e966-745d-818c-68bf9a4571cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098474
StatusPUBLIC

Content hashes

Canonical text632f68a6f7029a34b8ef87156db6885c7a2ded41cec6b111295231da7692d5d1
Markdown686b1af01a35940f5265b83b1c64d97d600e25b795c46270d7fb089240b33e32
PDF
Publication page7bbb07a798bf040b569e9aec168a644dc4bd64fba7f59628ef3198044abf2166
Manifest278a639996e7540bffa005d0cce49f8d1e21eaa47dd2dcd017ecf663a35bc0de

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
SignaturezeNH5dvtbzkbknVtGVvdEuhVC+hb7RJ/6HuLUxv96snn2YI9UNUXQuwx5MjJxFN269ezcBH2oh4aPQp9Yex9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:20.348724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098474
observed 7bbb07a798bf040b569e9aec168a644d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.331781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098474/manifest.json
observed 278a639996e7540bffa005d0cce49f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.315851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098474/publication.md
observed 686b1af01a35940f5265b83b1c64d97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.298879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098474/publication.txt
observed 632f68a6f7029a34b8ef87156db6885c...
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.