OpenTechnical

OT-2026-000008084

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump 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-2026-000008084) never changes.

Identity and time

Publication numberOT-2026-000008084 · never reused
Internal UUID01a0ae6a-908c-7ad2-8359-03ffa62da8d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008084
StatusPUBLIC

Content hashes

Canonical text9863ffd5131579aa000ca036b51154a5de070c0472dadeddbaec7e1e447708ac
Markdown20980cfd3161a954f04ce43ff727d19c9fdc602b1a26c3b6a5012aced8ebb141
PDF
Publication pagee624e990567a43f30cb376fadc2fdb1b69aa8abe0c78fddbee114e8fa46422c6
Manifest6125fccd0c30bd109f8ef4af7b1444215c41dcea749919f2e642841179949ad9

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
SignatureBPvkDm/F3MIgRjrt3Jocf+jPZTvlf3Tnfm6RlNsoeYIYygVHoGs4uchDhfL4WVfTrWLGNN1gLlXpS3WQ8siuBQ==
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

2026-09-17T12:20:22.330522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008084
observed e624e990567a43f30cb376fadc2fdb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.312565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008084/manifest.json
observed 6125fccd0c30bd109f8ef4af7b144421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.291424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008084/publication.md
observed 20980cfd3161a954f04ce43ff727d19c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.271227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008084/publication.txt
observed 9863ffd5131579aa000ca036b51154a5...
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.