OpenTechnical

OT-2026-000033780

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000033780) never changes.

Identity and time

Publication numberOT-2026-000033780 · never reused
Internal UUID01a0ae75-a391-71a6-a722-5a32d9675d40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033780
StatusPUBLIC

Content hashes

Canonical textd2757a761f249027150ba4e49440610825b06ce3f8cc8689acb2f8d59c89a8df
Markdown13213e669e34b7afecfe62d5adbf79dcd014936b13a5d663f397eeb58e4d090a
PDF
Publication pagebcb8752dded944b638ead7a3554a82e252c67739355dd90fc4689fcb9bc13993
Manifesta4f68071f021beadae7dcd8ed016adc711b9933e9f97d94d58e62ab2f7efe625

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
SignatureTli1zyXlFDxbqIozKdaFOPJX4KtT8iHIj6vnqgGtIprEn4a6TWQ+TCbbQH1y+cXKhTLeuJcoWuiu2Vb712sKDA==
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

2026-09-17T11:31:49.055906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033780
observed bcb8752dded944b638ead7a3554a82e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.040084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033780/manifest.json
observed a4f68071f021beadae7dcd8ed016adc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.021465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033780/publication.md
observed 13213e669e34b7afecfe62d5adbf79dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.001710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033780/publication.txt
observed d2757a761f249027150ba4e494406108...
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.