OpenTechnical

OT-2026-000025998

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025998) never changes.

Identity and time

Publication numberOT-2026-000025998 · never reused
Internal UUID01a0ae71-a83f-7134-a5b8-8291125af1cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025998
StatusPUBLIC

Content hashes

Canonical text8380c97cdd1c5a4602655a7d3254304a2563e9fb2e536605f9dd1b6bb9fd01bc
Markdownbbfeafbcd1a2afb19f3e0d09bbcf7662bd4706817323eb57c2255cded7066fcc
PDF
Publication pagea8c451f77a5b6c3c7b39be6b57607a501e302d66332c81bfa781942d5f537429
Manifest5d2746745a9c39abd645552c2efea9d7cad67be0412fd7a7f5a7402d3116335d

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
SignatureoZCnZpG3i/SPRbCgTMpU7H28hCgxu2nBVRVJH0BmVLCF3qMyXe5JWge9022lNAv7N4PavCxeSTQoebRjp0W1Ag==
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

2026-09-17T11:46:22.414378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025998
observed a8c451f77a5b6c3c7b39be6b57607a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.397322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025998/manifest.json
observed 5d2746745a9c39abd645552c2efea9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.379653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025998/publication.md
observed bbfeafbcd1a2afb19f3e0d09bbcf7662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.359491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025998/publication.txt
observed 8380c97cdd1c5a4602655a7d3254304a...
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.