OpenTechnical

OT-2026-000022502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000022502) never changes.

Identity and time

Publication numberOT-2026-000022502 · never reused
Internal UUID01a0ae6f-f4fe-747f-b8cc-4b7cc0e7ace6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022502
StatusPUBLIC

Content hashes

Canonical textcd5d5d391cb33b881e57e6b840d9812465cd01a27e541f55492c02dd469f1b8e
Markdown4214d2bcdcb82ae559d4a7e4fbb54e24534a9504cd22f3be77c4c736be289da0
PDF
Publication page5910a7439361ee6f845997f09ee5cb1cabdf583827e8e6c61c264f991ac0516c
Manifest8bfb85aafd061e09d1a38e2f568b397b4f8fa82d8107ddeca86dcd836fd591eb

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
SignaturezaQkt5+lwhswTT/mJluS/dRv/G/aIRDprTJHyat2CPUjy5w3aA8RQTTPUevZEFMCaAwrYot001IsZwfgAJp4AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:55.733039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022502
observed 5910a7439361ee6f845997f09ee5cb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.715885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022502/manifest.json
observed 8bfb85aafd061e09d1a38e2f568b397b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.696607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022502/publication.md
observed 4214d2bcdcb82ae559d4a7e4fbb54e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.676821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022502/publication.txt
observed cd5d5d391cb33b881e57e6b840d98124...
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.