OpenTechnical

OT-2026-000027984

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000027984) never changes.

Identity and time

Publication numberOT-2026-000027984 · never reused
Internal UUID01a0ae72-a51f-75c0-a8a7-bdbb893c8233 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027984
StatusPUBLIC

Content hashes

Canonical textec5d276492e72c5341ba0ea4994bbabfbfd8f1e451952e19562affc212b89370
Markdown57c670d2a0e59924d567cf1ef1e33d57cd1ab8d58195d89f9f66473d5d030070
PDF
Publication pagea0470faa276ac0ec431350f1edfb318ecca50422ab9ad4ac13cf3d2b090689ab
Manifesta437ce3bd910fa5e50e6c7577881afcadd5d02e40760ec59a8e8048f886af962

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
Signature5UNwIBrFLRvIpowS9DyREB6HwREJGPFtz/gDTF7milx5HNGAiREOo1xMWrNcp42VXvqS5r75JLyeYGMjQR2SDg==
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

2026-09-17T11:42:11.226992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027984
observed a0470faa276ac0ec431350f1edfb318e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.204018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027984/manifest.json
observed a437ce3bd910fa5e50e6c7577881afca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.187001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027984/publication.md
observed 57c670d2a0e59924d567cf1ef1e33d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.169685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027984/publication.txt
observed ec5d276492e72c5341ba0ea4994bbabf...
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.