OpenTechnical

OT-2026-000041818

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000041818) never changes.

Identity and time

Publication numberOT-2026-000041818 · never reused
Internal UUID01a0ae79-e8a4-7d71-bea1-5b77438e67d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041818
StatusPUBLIC

Content hashes

Canonical textf917f30bb4df314c0238cfc22b1e69a92cde46221cde1dca8e33bd1d148890a4
Markdownf05f9703d1c92acbedc0addfda44727c954de12f2f3846ff69448aa8cee1b7e5
PDF
Publication page4677401f90f7896b2548ef4a26f87bb9d504883a4cc43f8e878e71ff55e0b51a
Manifest3ab2501a3d6c763a69f808b12877f7fc732dd1dbdfa93a2b897222e334a5491a

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
SignatureHfjRFKE4r9Nr91MqVgI04HWVQisu6/mQDXOdJbGj7HvYNB+erae7rwpjE92TtmGF10M6Dmwabos/69neH5CkCA==
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

2026-09-17T11:16:40.801422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041818
observed 4677401f90f7896b2548ef4a26f87bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.784547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041818/manifest.json
observed 3ab2501a3d6c763a69f808b12877f7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.767606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041818/publication.md
observed f05f9703d1c92acbedc0addfda44727c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.750827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041818/publication.txt
observed f917f30bb4df314c0238cfc22b1e69a9...
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.