OpenTechnical

OT-2026-000098112

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000098112) never changes.

Identity and time

Publication numberOT-2026-000098112 · never reused
Internal UUID01a0aea1-e963-79f8-aac9-1990774db42c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098112
StatusPUBLIC

Content hashes

Canonical text70e7abc0001718a0dc025fbdcb8fb629219518be727c334cc683872321d18d01
Markdown7a5e5e3875653f3025d603921a39e33ae0d0a790651b6a39247a20995081e962
PDF
Publication pageca5334dcd4124b9aba1bed34b22919d91927828f6bc7d322a0d0dc32acf9ed96
Manifest640f98e01ccc9dfb52ceeca0fedbd82fba4fc878ef85335f7e2984b04a67365d

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
Signaturepr0vDcSa8WLsralvlQGMpCQQeZu/FIPh5mPfYCFTlNHbsHf+baQYf3NbDXoy5uUkCcJQAmUAoIMRGSa3Wq5hBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:15.132624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098112
observed ca5334dcd4124b9aba1bed34b22919d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:15.115895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098112/manifest.json
observed 640f98e01ccc9dfb52ceeca0fedbd82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:15.099270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098112/publication.md
observed 7a5e5e3875653f3025d603921a39e33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:15.081926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098112/publication.txt
observed 70e7abc0001718a0dc025fbdcb8fb629...
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.