OpenTechnical

OT-2026-000018395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000018395) never changes.

Identity and time

Publication numberOT-2026-000018395 · never reused
Internal UUID01a0ae6e-b489-783e-ac18-8b29cf93cc56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018395
StatusPUBLIC

Content hashes

Canonical text4eaaf53812e669267d005a857606f02efc608fd1136c9597a59c7cf838366dff
Markdownad6ac9b15fa74badbd345bc638e703aec6cf98c213e9f3fcfa13e5ce574132ff
PDF
Publication page080c0ede7f79ad4d028fdd42c181b74c5b85a18af2dcba535b75eefb85a0742e
Manifest7cab308ef7ed64211f05205f4e20efda1fa93a6443033c0ddea2a20b43d678ce

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
SignaturealMKL0TtD3vXN8P2FbTtl9LouwmCFgBOQDvazMOMCFZCeDB3fdchbOmdPzOG09xnY/+5hyv3sp6xBw4cB4N9BQ==
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

2026-09-17T12:00:02.364298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018395
observed 080c0ede7f79ad4d028fdd42c181b74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:02.341567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018395/manifest.json
observed 7cab308ef7ed64211f05205f4e20efda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:02.320628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018395/publication.md
observed ad6ac9b15fa74badbd345bc638e703ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:02.201411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018395/publication.txt
observed 4eaaf53812e669267d005a857606f02e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent