OpenTechnical

OT-2026-000018817

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018817) never changes.

Identity and time

Publication numberOT-2026-000018817 · never reused
Internal UUID01a0ae6e-d521-7ae9-b313-193a576f898d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018817
StatusPUBLIC

Content hashes

Canonical textcb35f3b036fbaaff5160355a82c37d0a85ea477879a2e327d2beec1be348cae0
Markdown24843bf952c95678aa037f52285ab2ea39563403a374b8c12371b29768efc90a
PDF
Publication page1de50e85ded15e61f82fa854f1c37139420063d879ab1bf960086172050a2cff
Manifest18239d994d80567505cb4db18d3a2b4abb8f300b4dfc5d4e54dbd39fa1af8133

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
SignaturerirL2p49bksJkFLWSfU+NEx+hxbWvJQ2NRl//OkfzkAj3x3BD7J/fIC1cpIp8gSjjROha03WMJKHONdynNSEBQ==
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

2026-09-17T11:59:26.934477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018817
observed 1de50e85ded15e61f82fa854f1c37139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.915481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018817/manifest.json
observed 18239d994d80567505cb4db18d3a2b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.897629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018817/publication.md
observed 24843bf952c95678aa037f52285ab2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.880293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018817/publication.txt
observed cb35f3b036fbaaff5160355a82c37d0a...
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.