OpenTechnical

OT-2026-000007250

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, three stage ejector, polyurethane cups

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-2026-000007250) never changes.

Identity and time

Publication numberOT-2026-000007250 · never reused
Internal UUID01a0a978-0b89-7d36-befc-e094b2a191d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:51.915488Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007250
StatusPUBLIC

Content hashes

Canonical text5b0f370f14fa382d1c3e79e1a24c6826b3feddd500eee5caef405984769eccf3
Markdown18b6494db878ebcd0ae5403cb20197623ff14c0cbf986b378f8e20c154710e73
PDF
Publication page70fe7559f324d0ecee86bb2532c6d0308a9f0b27685ebf096fa8bbc3963f65bd
Manifest10e99587228676d4a20ad56d362208eaedf9151a49901d54d542d19ebe69a781

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
SignatureTmy/5tO0ye+WDO2/IdUBOB1R/arALV6WEnld5uOZcICr68FjNjiE2vNFtrZ6Bkwx2E6UxZAKRmxpjlOiFzREAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:11.496453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007250
observed 70fe7559f324d0ecee86bb2532c6d030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.482905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007250/manifest.json
observed 10e99587228676d4a20ad56d362208ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.470193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007250/publication.md
observed 18b6494db878ebcd0ae5403cb2019762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.458511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007250/publication.txt
observed 5b0f370f14fa382d1c3e79e1a24c6826...
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.