OpenTechnical

OT-2026-000041257

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000041257) never changes.

Identity and time

Publication numberOT-2026-000041257 · never reused
Internal UUID01a0ae79-b143-719e-b00c-311517698054 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041257
StatusPUBLIC

Content hashes

Canonical text1f7f9a40558f8fa8cd7eca835283647dfd96351f0248defeb0076dd2277e27e6
Markdownfddc0c5af96564792b794fc96a7d6bb9f5d96c2943e615a8a31c0333c1115785
PDF
Publication pageca517ab1e1a136a48e52520f4f0cdc7f23f1f8dbb18dcbe898d2ade310c75ed3
Manifestb473d36bfaf75ecc307e4cf6ba5ec21d0ac8745b91b7bfe44e3a6f9e0a68c830

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
SignatureYKaCR3UBBO3AONOrsH2uTSZmWHfr6h2MGH9jjzrmt+d2xy4xYNVBSqZJSdBk8c5Z4Jyxqy5NdHUYzVno/AXwAg==
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

2026-09-17T11:17:13.721637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041257
observed ca517ab1e1a136a48e52520f4f0cdc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.703023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041257/manifest.json
observed b473d36bfaf75ecc307e4cf6ba5ec21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.685447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041257/publication.md
observed fddc0c5af96564792b794fc96a7d6bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.668055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041257/publication.txt
observed 1f7f9a40558f8fa8cd7eca835283647d...
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.