OpenTechnical

OT-2026-000041552

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000041552) never changes.

Identity and time

Publication numberOT-2026-000041552 · never reused
Internal UUID01a0ae79-e89f-7621-b952-870e20f93c71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041552
StatusPUBLIC

Content hashes

Canonical text0ebcd441bfad6b04fb8e623bcaa55315b9a6256279faa7ce81695d3be6789725
Markdown76c9fe6011fb11c8ab197daf95cce9325d0171ac55b94bb725cc5259c1b41048
PDF
Publication paged7b757f49bb529d7ec29bdcd92096e33add627b07d523662750cc28c6c50b7f5
Manifest76181d108a849457f82dac1cc9d81bf7b487f529eb2a415cb00888ca751c3160

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
SignatureORQDA00U4X8z+Wd/JzaAVz7bEIOgnFdFBRe2LteEv3dCjKpszmA9RR5cF0g7ovX4tRJXKVkXBn1/fvElc/axBQ==
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

2026-09-17T11:16:19.744760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041552
observed d7b757f49bb529d7ec29bdcd92096e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.728130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041552/manifest.json
observed 76181d108a849457f82dac1cc9d81bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.711564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041552/publication.md
observed 76c9fe6011fb11c8ab197daf95cce932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.693156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041552/publication.txt
observed 0ebcd441bfad6b04fb8e623bcaa55315...
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.