OpenTechnical

OT-2026-000008416

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000008416) never changes.

Identity and time

Publication numberOT-2026-000008416 · never reused
Internal UUID01a0ae6a-e46a-74bf-aa6f-8214868dce98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008416
StatusPUBLIC

Content hashes

Canonical text2b35a8df3d3865efc96e5572e7057f66a71c1571156f638e2078d8ad1feeae30
Markdown602369fa5ad5f9d8c5d57429c1d58dac254d7a978f8f19cfdaff94c673c6842b
PDF
Publication page5979b237f63ed82bd2b80beca5ca3e0ea0083624ce7a9dece1c732e1af372bdc
Manifestafa10f3b61683d9771766988f0d9ddb5eea4894b21823b275a142ffd7ea1e293

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
SignaturemOEXcaShV1KaTCNXCNpf9wPT3bn3Ay7eoSN9ycwk1kIC+GzwMCiWVSrlSzTBIvi5r2i5bkqnpJwIsvmJqrLJDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:15.887917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008416
observed 5979b237f63ed82bd2b80beca5ca3e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.869516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008416/manifest.json
observed afa10f3b61683d9771766988f0d9ddb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.851526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008416/publication.md
observed 602369fa5ad5f9d8c5d57429c1d58dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.831436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008416/publication.txt
observed 2b35a8df3d3865efc96e5572e7057f66...
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.