OpenTechnical

OT-2026-000040504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000040504) never changes.

Identity and time

Publication numberOT-2026-000040504 · never reused
Internal UUID01a0ae79-6d0d-7c19-b1c0-6872dfd3cbfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040504
StatusPUBLIC

Content hashes

Canonical text0a0efd5e2759554f9367ddd468a213f2bd64f05bafd6de94a8ab904b10b082a1
Markdown884a863f4820f3d20b3c6f06eb52e5de659a3b651045c0c15a3814bd877a26ea
PDF
Publication pageb189798ff1908ac4f256bbcb7323de37b01f848243700fdc3186e419c72eebec
Manifest8eaa09014a048801dbadf58548744c82eb419b67f43992b032bce27e77752813

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
SignaturesQlqUo3O9kM1f8kdEKknlOG2kUAPJTRE32fz5BjRuObruyIViHQzJPTXbDIYOeZeFHGc2jKQvi0lNOiHPv38Cw==
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

2026-09-17T11:17:33.081117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040504
observed b189798ff1908ac4f256bbcb7323de37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.062954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040504/manifest.json
observed 8eaa09014a048801dbadf58548744c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.043050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040504/publication.md
observed 884a863f4820f3d20b3c6f06eb52e5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.025227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040504/publication.txt
observed 0a0efd5e2759554f9367ddd468a213f2...
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.