OpenTechnical

OT-2026-000027343

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000027343) never changes.

Identity and time

Publication numberOT-2026-000027343 · never reused
Internal UUID01a0ae72-6997-76ec-ad7c-d9b5c33b1c9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027343
StatusPUBLIC

Content hashes

Canonical text85737014b9ef31b44d6e5193a179b0bb0e193e8f667a80dfb158ca266df84988
Markdownc5e636d4002d98fa50de205eaa302675d2531270bf47d978df1c7b7fd49b18b2
PDF
Publication pageda05e2f1895005b0ef5578d4647e5365859a8c5d3360795bcc9bf9579226eb61
Manifest633f9e13ee0f85bce8753bd77ffef83e3aa432f0dd98397a54d95e8a71fc7d5e

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
Signature4IouWsQhDLRqxzoN5nTrGyAZZ53z4X9IzQ49ytkZX3fIniLy6ksH2wM6My/LKwLM9PUIjWpKkbun32kCiTvNBg==
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

2026-09-17T11:42:44.978647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027343
observed da05e2f1895005b0ef5578d4647e5365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.960893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027343/manifest.json
observed 633f9e13ee0f85bce8753bd77ffef83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.939496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027343/publication.md
observed c5e636d4002d98fa50de205eaa302675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.921294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027343/publication.txt
observed 85737014b9ef31b44d6e5193a179b0bb...
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.