OpenTechnical

OT-2026-000018140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018140) never changes.

Identity and time

Publication numberOT-2026-000018140 · never reused
Internal UUID01a0ae6e-b488-7a39-9277-aa251a3368b8 · 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-2026-000018140
StatusPUBLIC

Content hashes

Canonical text34e44dcadb2ddfc3a4b54ad0755978d4aaf179955f76c78ed1f67c288def09dd
Markdowndfa42d4b37ff15ca21071d3f47b33cb9cba71cfca2aab07fe2c932adde8e2a32
PDF
Publication page26f206ab50c08059385d7034d08b27150082ea8f34f848f99e4bb0f0e1f7c4cd
Manifest67fc21f239523a503fddbcc7f15acf77932773e675295dc48bfbc57a35c85657

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
SignatureTSCCIb5gnhA6abp5t4HaFes2dFNhu81zEkw+dTzTOXkVl5viCSLecHNjBKH2TLi8iG4eQ5i1+2lHx4WMQnM8Cw==
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

2026-09-17T11:59:53.033544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018140
observed 26f206ab50c08059385d7034d08b2715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.015538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018140/manifest.json
observed 67fc21f239523a503fddbcc7f15acf77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.997383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018140/publication.md
observed dfa42d4b37ff15ca21071d3f47b33cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.979981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018140/publication.txt
observed 34e44dcadb2ddfc3a4b54ad0755978d4...
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.