OpenTechnical

OT-2026-000026804

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000026804) never changes.

Identity and time

Publication numberOT-2026-000026804 · never reused
Internal UUID01a0ae72-3451-73e6-91ea-e45fa98f4e11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026804
StatusPUBLIC

Content hashes

Canonical texte352c3bcecf0e4707176f9e7051b1bb5bf1d02569bdb83ce544eb6e2653c2ac2
Markdowna572e8481ec86f6e91b4da64a7c675f14ac0d9b9270d77223c2a29bf01ccd13d
PDF
Publication page093f3bc07f5145f173edaaaaa419af6dc7224e3996753a3c354ea9e586cb5d84
Manifestb58e635e4d5cac245971d0f331630af029fe3cc3e7d30dabb55a478caceeb863

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
SignaturewQt1vZ79EL7sqFpY6/RtEml3SRcylhlYuhnhvODChqSky13KE/hUx3soSvpoA6xG31G/3Hl/kJz2M8tJugOhDA==
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

2026-09-17T11:43:22.934817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026804
observed 093f3bc07f5145f173edaaaaa419af6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.916614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026804/manifest.json
observed b58e635e4d5cac245971d0f331630af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.899854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026804/publication.md
observed a572e8481ec86f6e91b4da64a7c675f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.881781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026804/publication.txt
observed e352c3bcecf0e4707176f9e7051b1bb5...
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.