OpenTechnical

OT-2026-000040696

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000040696) never changes.

Identity and time

Publication numberOT-2026-000040696 · never reused
Internal UUID01a0ae79-6d0f-702c-8e59-24e21df8a38a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040696
StatusPUBLIC

Content hashes

Canonical textb754adf1ee2fb86b70f1635cb47b1d240ea45b57afb453a8c0c7e93b28ba142a
Markdown671476930b3be3c604344236d9772537587f3b5138e8da274aec69562293cf5f
PDF
Publication page70d6f27ad93ea34f24890a1361e4e3c52fa22a3a04014f17dfcd822f2225e9c0
Manifest6be606b03e1b3607fcf61930b1eb8f4ccb0c27cc751479bd53f4cd0aac5011e6

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
Signaturep2fofbIlGMv0dZwWKT+604nHQGoTJGDxeEQRKG3wMOVYO2AAxtfvMwsZjbUV+RMDi1fPJ5oa7sD7diu3qgc/Bg==
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

2026-09-17T11:17:53.671358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040696
observed 70d6f27ad93ea34f24890a1361e4e3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.652903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040696/manifest.json
observed 6be606b03e1b3607fcf61930b1eb8f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.635307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040696/publication.md
observed 671476930b3be3c604344236d9772537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.617579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040696/publication.txt
observed b754adf1ee2fb86b70f1635cb47b1d24...
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.