OpenTechnical

OT-2026-000035243

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000035243) never changes.

Identity and time

Publication numberOT-2026-000035243 · never reused
Internal UUID01a0ae76-6a1f-7f5e-8332-4687d1a2e9c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035243
StatusPUBLIC

Content hashes

Canonical textd8c67b04eb73a89a35d9df8ac10a33ea0de0022dd3c3d1d464179d5b72ac461f
Markdownd64f098a2767f618aa970320929ee328ef76eca10d03a9ca8eeefc490492c627
PDF
Publication page9adca24a89200802c282f9ae288a301a0cfca320690ac04ac09b33a057699316
Manifest9f44134ad92c53e338eaeb59432272375ca06ff6bf8713148cfd0539f1cc4973

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
SignatureP3r59KOI0ka0d/XEwwzPIpiC4sQt3BDmxXz/tyG/XbjX3EUEQqfGjTtwnLzQpfC8D7irQb+fs2PvU7CuBtGcAA==
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

2026-09-17T11:28:23.042829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035243
observed 9adca24a89200802c282f9ae288a301a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:23.025031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035243/manifest.json
observed 9f44134ad92c53e338eaeb5943227237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:23.005847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035243/publication.md
observed d64f098a2767f618aa970320929ee328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:22.986017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035243/publication.txt
observed d8c67b04eb73a89a35d9df8ac10a33ea...
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.