OpenTechnical

OT-2026-000029952

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000029952) never changes.

Identity and time

Publication numberOT-2026-000029952 · never reused
Internal UUID01a0ae73-ac48-7677-a5a2-466a0599b24e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029952
StatusPUBLIC

Content hashes

Canonical text0fb778040de6d7bdcb06945ad33027b430c1aaaa5b39a3571b2c570069158f82
Markdownbad16aa309ce24aaeaee75cea987769ba05f32d02dfbedd5644e220766c5523c
PDF
Publication page8faad664571a9abd804e77838fb500bd96e0d172d2c99720670a5f2e9abb3e88
Manifest7509280cdf79c7c9e28f326ce8e5318210cd649aeb706299ec1f4d3db573555b

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
SignaturexLnqm+FQBP4TnLgtR6tXSn4FUXGsY/x4Oc2gFlFobdWPimNMSWCkc3NSdJNeglVnOjRhQ7neWKuxcRIDhJNyAQ==
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

2026-09-17T11:38:39.968593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029952
observed 8faad664571a9abd804e77838fb500bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.950165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029952/manifest.json
observed 7509280cdf79c7c9e28f326ce8e53182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.934013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029952/publication.md
observed bad16aa309ce24aaeaee75cea987769b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.918359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029952/publication.txt
observed 0fb778040de6d7bdcb06945ad33027b4...
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.