OpenTechnical

OT-2026-000098043

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000098043) never changes.

Identity and time

Publication numberOT-2026-000098043 · never reused
Internal UUID01a0aea1-92f8-734e-8411-04c24f92ab08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098043
StatusPUBLIC

Content hashes

Canonical text692a2eb440c0540ab9417424f911325b8f40b306841183a48c079802cbeb9e10
Markdown3da5a2b6f49ce3e53f92c15fba6826c5295227972931c850097d8a9fc0fc5a91
PDF
Publication page1cb8cc1669cd11a5220b5f12e4b8ecfdad8d49ab047e41b9edcbb0b3aa9e5bfc
Manifest068d60af43a5ee209f5e57da3d9aa84e7216c273ee9898a6b9a365abfea91e59

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
SignatureEH8SgsCNWJGJ221D6Om6l0bWQh1Mt+KDYtn78YFtcgC6w1S2iXVmbcfo7xPoIs0phE2+vrJQuwQfu+k02ITdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:13.383000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098043
observed 1cb8cc1669cd11a5220b5f12e4b8ecfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.365780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098043/manifest.json
observed 068d60af43a5ee209f5e57da3d9aa84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.347912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098043/publication.md
observed 3da5a2b6f49ce3e53f92c15fba6826c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.329347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098043/publication.txt
observed 692a2eb440c0540ab9417424f911325b...
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.