OpenTechnical

OT-2026-000039637

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000039637) never changes.

Identity and time

Publication numberOT-2026-000039637 · never reused
Internal UUID01a0ae78-d8d4-73e6-94b3-66eb4e7c9271 · 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-2026-000039637
StatusPUBLIC

Content hashes

Canonical text97bf3a999d8a60999f58c68e5ee37859614c177b1992ebb53b3f38cb88e3f778
Markdown0a08bc32f6daeef2ade7af15532161b1b8b0528c19c10a2a09927cde9307b97f
PDF
Publication pagea0b212ae59a99c8b0ff6ff341c6ed5629727b8a398b919aa81624f21e7a3b79e
Manifest78be5ef0c75339f46328d45d55dc0cfd886f062a9fbc8d9041805197931e9afe

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
SignatureJeOGfQ9YGQz90swBk2EUEDuARdTLffb5p3M4Ad6L8VKMfafVFXKvupxthcx1fvI9QyVpiadkI/bpRHtnhQvDCw==
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

2026-09-17T11:19:48.595845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039637
observed a0b212ae59a99c8b0ff6ff341c6ed562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.578366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039637/manifest.json
observed 78be5ef0c75339f46328d45d55dc0cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.562399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039637/publication.md
observed 0a08bc32f6daeef2ade7af15532161b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.544646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039637/publication.txt
observed 97bf3a999d8a60999f58c68e5ee37859...
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.