OpenTechnical

OT-2026-000022985

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000022985) never changes.

Identity and time

Publication numberOT-2026-000022985 · never reused
Internal UUID01a0ae70-46ec-7b47-9b7e-5d7e327d99bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022985
StatusPUBLIC

Content hashes

Canonical textca59b8682588b3c7f3e43aa1cab025bb84676008ef2692d3594c4e01ce045af7
Markdown838883727df2a4f37e9f32ef2882f20a95d780ee79d7c265ceb3b7188982045a
PDF
Publication page79f4d8884a7999a505e8896fe506101dfecaa8f589f48e736de7da5ee16e5f6d
Manifest9d0ac3f31b1522a4e53899390a12f5906754583634a2fa2ee8d23989c2994485

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
SignatureRspaPBg/SlPV7BjZ889rBlhR9W1ixPu+Fdv7Jds37TrZTkWYPArkLLUWBTk1pm79EJ37PIAfGMa36z+VOXmgCw==
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

2026-09-17T11:52:34.586313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022985
observed 79f4d8884a7999a505e8896fe506101d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.570548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022985/manifest.json
observed 9d0ac3f31b1522a4e53899390a12f590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.553637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022985/publication.md
observed 838883727df2a4f37e9f32ef2882f20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.537643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022985/publication.txt
observed ca59b8682588b3c7f3e43aa1cab025bb...
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.