OpenTechnical

OT-2026-000027305

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000027305) never changes.

Identity and time

Publication numberOT-2026-000027305 · never reused
Internal UUID01a0ae72-6997-7a19-b197-be81c4523a98 · 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-2026-000027305
StatusPUBLIC

Content hashes

Canonical text191b20c8b855f2363aa20c58507fe531f26678c360c4411bbbc7de6ecb14cc0d
Markdown08fdaf7245d38e3041d3e604ec4520cd90c5c47b5d4d94c22dbf2c24f74cdfd2
PDF
Publication page7df6462955887a9613090a38809db7a5d379fe9dd6dcf4ee573bdbba8edb878e
Manifestc0ff50a243ae112a20a5f00f71c61e925ec34722455573d087ea3c3b4479f348

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
SignatureLTxQFo5HDs/tZGI3ElT1S/h1B0zmWKlE4iY+5CYYmE/P0H+ZsAmktLSF23Mm1LVBQ5aAjL7o1ddB6gCAUFLuBw==
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

2026-09-17T11:42:41.870178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027305
observed 7df6462955887a9613090a38809db7a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.848821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027305/manifest.json
observed c0ff50a243ae112a20a5f00f71c61e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.831874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027305/publication.md
observed 08fdaf7245d38e3041d3e604ec4520cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.814370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027305/publication.txt
observed 191b20c8b855f2363aa20c58507fe531...
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.