OpenTechnical

OT-2026-000091713

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091713) never changes.

Identity and time

Publication numberOT-2026-000091713 · never reused
Internal UUID01a0ae9d-43b9-73e2-81da-7a10cd63c68f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091713
StatusPUBLIC

Content hashes

Canonical text302134323193ab7b62c0f26825f6b0f3dd592406bbaa82550942633c6c1c009b
Markdownb1dc0c6f0ed21d6527a9a82a8eb2e6848d4c15982ad73e8a14bca1331b2a4115
PDF
Publication page66df8e44965618de51cd59704b7f8fefa9734e9d134cf6e25de9e75b7b5257a2
Manifestaaedcaf5c05246fd356deda38e9882a5df3ddbbf2af69818175d5d39e5435017

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
Signature3NJ2PZTB8v2858N4QJvYQJWsD2TGFMnzq06x7n5NAHdKVHpjExSWcCrF+0/oW5CvMwMtiixRkxeNKcOYm0hoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:06.302111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091713
observed 66df8e44965618de51cd59704b7f8fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.285256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091713/manifest.json
observed aaedcaf5c05246fd356deda38e9882a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.268303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091713/publication.md
observed b1dc0c6f0ed21d6527a9a82a8eb2e684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.250704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091713/publication.txt
observed 302134323193ab7b62c0f26825f6b0f3...
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.