OpenTechnical

OT-2026-000052768

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000052768) never changes.

Identity and time

Publication numberOT-2026-000052768 · never reused
Internal UUID01a0ae84-a42d-7eb5-be82-6c4b8298b1d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052768
StatusPUBLIC

Content hashes

Canonical text240736f4abcbc9138b0b0afe1c2313c7592aaeafe89e16d7c427713e4e640696
Markdown5b5f817ae46a4980a19362394a7846f724a6294f413b02017ad0a3cef46a8f65
PDF
Publication pagee522f5fd2d2233b9607c570640f6592564cee75c6a6c79e255a42a26b2b2e822
Manifest2ca49bfe98339678ac037bb16e6cfa79e071a78a90210375537d9e8dc0f7c093

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
Signaturegp8r6WSx/8q27ada0CDnS6QajKLGOkwYHEqH8YObYxYk0/4Yb6sWdA535HaJWG1fkSy6sgzQaXxCrt7s0ILXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:46.521111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052768
observed e522f5fd2d2233b9607c570640f65925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.503600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052768/manifest.json
observed 2ca49bfe98339678ac037bb16e6cfa79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.485827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052768/publication.md
observed 5b5f817ae46a4980a19362394a7846f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.466868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052768/publication.txt
observed 240736f4abcbc9138b0b0afe1c2313c7...
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.