OpenTechnical

OT-2026-000023401

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000023401) never changes.

Identity and time

Publication numberOT-2026-000023401 · never reused
Internal UUID01a0ae70-7268-7e83-903d-3a02ab6351ec · 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-2026-000023401
StatusPUBLIC

Content hashes

Canonical text3311ad069f95f8e03f0213e7b1883ab771c85d255888a7d1e5d1465ee1b7bb7b
Markdown3dc274d2537c32af61f88c42a14d13bdae6efc2042397a386905036f77226c3f
PDF
Publication page5e4038fec35c02e3c3095cda60338c4cad672e4dea8fd8693783ab79fb04a211
Manifest4673916e21fba6add100428bf88d211a6c0e877aed9601e3d24d359112d72d8a

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
SignatureoI1nbmwXs/5ZmLo25zbNojN1kuOaKu2KpcCEs9I8l+QFv6j5o/z89xMlKXQAKC+xwtNQwmvG6TnR3WIjjL7aBA==
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

2026-09-17T11:51:36.364656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023401
observed 5e4038fec35c02e3c3095cda60338c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.346083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023401/manifest.json
observed 4673916e21fba6add100428bf88d211a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.328411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023401/publication.md
observed 3dc274d2537c32af61f88c42a14d13bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.311532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023401/publication.txt
observed 3311ad069f95f8e03f0213e7b1883ab7...
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.