OpenTechnical

OT-2026-000032878

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032878) never changes.

Identity and time

Publication numberOT-2026-000032878 · never reused
Internal UUID01a0ae75-4842-7e07-9dea-c17403ae8206 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032878
StatusPUBLIC

Content hashes

Canonical texte4c15dd209c9ddecbe7b183eba19b06ca2b47b3bd083701c87f06e4b92fec8af
Markdowne2b0e25e72a610e2331179e47e2e7e3c5f4c14b52324371883044a485101130f
PDF
Publication page72352fba26b11b67f8d372415163d59e08aee637afdc80612dd72ece0436a500
Manifest8c18a6e5fcb9ccf49f3d51734c7ebaf47cc9fb9c106a136bf820cad10c8c8d45

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
SignatureQdIFp2j0d0sPYt1leMowjo86y7AkzQl1m3zURfgkUJcc9/yz6Dsv/XSYkTgUo3Tw1r0MBqVsuebohSlreMfKAw==
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

2026-09-17T11:32:27.500123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032878
observed 72352fba26b11b67f8d372415163d59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.480445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032878/manifest.json
observed 8c18a6e5fcb9ccf49f3d51734c7ebaf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.462338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032878/publication.md
observed e2b0e25e72a610e2331179e47e2e7e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.439465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032878/publication.txt
observed e4c15dd209c9ddecbe7b183eba19b06c...
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.