OpenTechnical

OT-2026-000039604

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000039604) never changes.

Identity and time

Publication numberOT-2026-000039604 · never reused
Internal UUID01a0ae78-d8d4-7982-8f7c-604faed32659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039604
StatusPUBLIC

Content hashes

Canonical textaef8198fcb0eea8a8ecb000e3f52035a73ae1a5d917387fb78af8f5017dee1a1
Markdown912880b3154fa9d67c5099fd88395695d388deb0b12fed710c0cd058744077df
PDF
Publication page05512e9bd88cea016dea9513a75357db7e5339af3de0fb06071ba90233629abe
Manifest235ccd5db32c88a331bc4e44fb5e17ab4c5360d69a9d74ac7c22a7c4f0e2471f

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
SignatureTHtRmAIONtqJHKhHdIyLaJWCOgNfGePdGDn+cNh4G2uuSxRt5z8/bj8RX+f1SGPMUODJ56ETYnTxA5nz+BbkAA==
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

2026-09-17T11:19:46.030596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039604
observed 05512e9bd88cea016dea9513a75357db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.012926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039604/manifest.json
observed 235ccd5db32c88a331bc4e44fb5e17ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.996647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039604/publication.md
observed 912880b3154fa9d67c5099fd88395695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.979013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039604/publication.txt
observed aef8198fcb0eea8a8ecb000e3f52035a...
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.