OpenTechnical

OT-2026-000006871

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000006871) never changes.

Identity and time

Publication numberOT-2026-000006871 · never reused
Internal UUID01a0a96a-50e7-7ff1-a955-fa2a38232bc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:52.170121Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006871
StatusPUBLIC

Content hashes

Canonical text0778ba3d585d56398cffbc3d303b032bc59e3c1369c56ee5c84c531704c262da
Markdown252aa252b0b5bfb52f463fadfae14e4f888502567249d3d2076e5dbd00e8eb2a
PDF
Publication paged2b95fe9a1c06517968aa1dd5ae53b64cae106e85237f184c45df898dcc2c1bf
Manifeste682e8fcf9b8a7b6a66e22e9017adb876f0d2bbc8aad9ff304d1ede29ff09928

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
SignatureNTP99FtM9DZP4yAlhheYWX/mAC+koulnTciAxGSQPiOtQLYGmniN08zd7bIzZ8bF9XoEfQTgc5MxXkYrHD+mCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:27.148721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006871
observed d2b95fe9a1c06517968aa1dd5ae53b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.135992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006871/manifest.json
observed e682e8fcf9b8a7b6a66e22e9017adb87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:26.999630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006871/publication.md
observed 252aa252b0b5bfb52f463fadfae14e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:26.986208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006871/publication.txt
observed 0778ba3d585d56398cffbc3d303b032b...
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.