OpenTechnical

OT-2026-000027800

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000027800) never changes.

Identity and time

Publication numberOT-2026-000027800 · never reused
Internal UUID01a0ae72-a4a4-71e4-8c55-86ed62e1be21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027800
StatusPUBLIC

Content hashes

Canonical text37db51d6c38bf3b92425ca2e835c0260ff3145b29fce22344796d60ac3b82dc5
Markdowne25df45aae50e3d28874d231b0010b931ee101bfb155420647677eca47222cfa
PDF
Publication pagea3f9db4ec6e345520ee958f568643e8d9e05c1dd12d8174ea6b029a3e0509c4a
Manifest81c468e0798732ba08e6cd60c8bf9ad4bb7f0c0a9bc6fb678d820da2685b08ab

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
SignaturedwAMuRQ3WiQa1crfb6bTDm5nCyhNnACFP/k2zVzJ0soMbIOEpLOaOgfBoJy2jIeQ1SVVd6HgS1ab+Bc90k0pAg==
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

2026-09-17T11:41:50.869578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027800
observed a3f9db4ec6e345520ee958f568643e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.848298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027800/manifest.json
observed 81c468e0798732ba08e6cd60c8bf9ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.830593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027800/publication.md
observed e25df45aae50e3d28874d231b0010b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.813990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027800/publication.txt
observed 37db51d6c38bf3b92425ca2e835c0260...
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.