OpenTechnical

OT-2026-000016947

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000016947) never changes.

Identity and time

Publication numberOT-2026-000016947 · never reused
Internal UUID01a0ae6e-591a-74d7-bc01-0adf3cd25456 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016947
StatusPUBLIC

Content hashes

Canonical texte2dd8e9bce1723a9955fbd63f7d61043e568c271c0d6ce45f1511de981003abd
Markdown117b99710baaf80d038dcf1b7175f7c88ce13cb8c783bac97be36567449cea8a
PDF
Publication page243eef6758b7047be0e99f23ec5c6b1955fea6b2841c7b421e024fd81d24c3b9
Manifestf60503b76fc5b940c7b1653d75c21032b041872e5fe08e2682963649caf68609

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
SignatureJc+AJ4zqRoqQzvGvRyUGUfB9tZPigyB6ENPRyNKUfrwdyJfjlu1rTzn6qB1787EvPVFhKLsgxKmrrIL8ElFRCg==
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

2026-09-17T12:03:13.983617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016947
observed 243eef6758b7047be0e99f23ec5c6b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.965679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016947/manifest.json
observed f60503b76fc5b940c7b1653d75c21032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.948365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016947/publication.md
observed 117b99710baaf80d038dcf1b7175f7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.928759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016947/publication.txt
observed e2dd8e9bce1723a9955fbd63f7d61043...
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.