OpenTechnical

OT-2026-000023406

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000023406) never changes.

Identity and time

Publication numberOT-2026-000023406 · never reused
Internal UUID01a0ae70-7268-7185-a83a-c136296428c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023406
StatusPUBLIC

Content hashes

Canonical text136b96bdb9c1520fe099272a31e7fc2095a65242475fc2923ee6392540d7f049
Markdown8cb1e3e9a1fc584bc63cae9bbbf916dbd9ce96bb1f49b6a8bb50b6bdfc2ec782
PDF
Publication page274bd6fea12aeed03be4203a580a169b9e41e4cbb6de7ac6f2cf58733e3532a5
Manifest12787e8093af177290cd307639b6da7d8d65681774d07400f9bac6f978a5e2a7

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
SignatureWpjgY5+IeimuPSPKOvu0NmDlXCodDNbu11ylSSJFD5jf4TzPEYckz0FD/i+GSfDK3m7ADpALC/dTUAtzjTePCg==
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

2026-09-17T11:51:36.726808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023406
observed 274bd6fea12aeed03be4203a580a169b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.708451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023406/manifest.json
observed 12787e8093af177290cd307639b6da7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.691903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023406/publication.md
observed 8cb1e3e9a1fc584bc63cae9bbbf916db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.674506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023406/publication.txt
observed 136b96bdb9c1520fe099272a31e7fc20...
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.