OpenTechnical

OT-2026-000016408

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000016408) never changes.

Identity and time

Publication numberOT-2026-000016408 · never reused
Internal UUID01a0ae6e-2d12-7afa-bfbe-bf7295491985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016408
StatusPUBLIC

Content hashes

Canonical text4e8a27424c222ee929937eb69c22e067a70829eb8b2dc5e0f0feadb16ee48b73
Markdownfaa6befaf36d52b4cf05cfbe5a49bdd73948b014af5261b2a33868d551b6fa0b
PDF
Publication pagec163db507982b029f5ea36fad348012c2ca2a49cd7b864700a4dbe10f850dfa2
Manifested6d0100ffad721f078592f9e36fc3b2536e7cbdffa5335b424396b1988fb0b7

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
Signatureo0LjblgSEyvJvt90a5rA4Z49wxiD1Ly+nC3U+3MCFxtxdDwccJtWaJ5FjdYZjUBdNmI+N3jwdmVLd4MhIZB5Ag==
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

2026-09-17T12:04:29.681097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016408
observed c163db507982b029f5ea36fad348012c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.662640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016408/manifest.json
observed ed6d0100ffad721f078592f9e36fc3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.636091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016408/publication.md
observed faa6befaf36d52b4cf05cfbe5a49bdd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.617182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016408/publication.txt
observed 4e8a27424c222ee929937eb69c22e067...
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.