OpenTechnical

OT-2026-000047989

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000047989) never changes.

Identity and time

Publication numberOT-2026-000047989 · never reused
Internal UUID01a0ae7f-c422-7fcc-9b11-88f0b5bc27bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047989
StatusPUBLIC

Content hashes

Canonical textc7e0dc5aba74090c9e5f73019bda444d4751f73a3ef76da0cd084be12f229e36
Markdown9688ad48de3af44e076de1f8d7bb064e1fb5a59bd840f0ab24ffa9a9bb402e21
PDF
Publication page797bb37fa56bc090a70d0e14ce61d6c1da0de276f89bf9baa27e135d7aecea10
Manifest80181c54be9c47f453333d4dcaae02a767219930797853eb092ec218062502e6

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
Signature3Y2a9VS59uK7/RKHC4RVS4il8zgvCizJ/efswwkHS3JNFGP/6BuIBO2WjNz8S/pbLIBACRQ3LE6Jj18Xh5cFDQ==
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

2026-09-17T11:05:58.373481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047989
observed 797bb37fa56bc090a70d0e14ce61d6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.355586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047989/manifest.json
observed 80181c54be9c47f453333d4dcaae02a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.337986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047989/publication.md
observed 9688ad48de3af44e076de1f8d7bb064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.319710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047989/publication.txt
observed c7e0dc5aba74090c9e5f73019bda444d...
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.