OpenTechnical

OT-2026-000022105

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000022105) never changes.

Identity and time

Publication numberOT-2026-000022105 · never reused
Internal UUID01a0ae6f-f4fb-7bca-a098-ea6ec80849ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022105
StatusPUBLIC

Content hashes

Canonical texte95b990da54e07b30b22f186fd2b84f348aedfac071797fa9cab3a1ac437aeec
Markdown3b44363885e50e9ef29bc070e92e9feb6837269785bebc34af9e40f3db9c0538
PDF
Publication page864b6778d1c8e778f00c8d1b7acd53e35eb21391754403f9261ea08ada9d52ea
Manifeste93eccd6f3d5da689c4e16b356f6597fbfb51f36181a621299c80eea4b7080e5

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
Signaturep00MZZcaVvYI1CnCbfk9IlYbTG7+IhmFd8k5PWjg3+N5J6Nnmay2avJtXHAty3YGraTuEUJPUtiD6vyxXeMtDQ==
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

2026-09-17T11:52:46.487889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022105
observed 864b6778d1c8e778f00c8d1b7acd53e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.471770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022105/manifest.json
observed e93eccd6f3d5da689c4e16b356f6597f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.456595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022105/publication.md
observed 3b44363885e50e9ef29bc070e92e9feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.440421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022105/publication.txt
observed e95b990da54e07b30b22f186fd2b84f3...
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.