OpenTechnical

OT-2026-000037397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000037397) never changes.

Identity and time

Publication numberOT-2026-000037397 · never reused
Internal UUID01a0ae77-b8cd-71be-8ad2-4376751f5240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037397
StatusPUBLIC

Content hashes

Canonical text1a8176ef95fa234d722ca6c62ce4291d1cc18975d222b0bd6989733ff4ff1e9b
Markdown39cdbb9559d1b663381572f34b1c348269fda50734a993acf2c83a6211bf19ec
PDF
Publication paged8dc42789dc690c54a32b9cf5755a182f80ea4cdc70918d6f117f097f2b51820
Manifest149c2a7f5a7d2508b6cccd18597065c1fa049797559896b696df3a09eb38277a

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
SignaturerkuJUUg+QUaFTq0LndbNNPpUGtmLDmTHiE8CCIs7iwNfiUQN8FpAgM4nouhSh/93TVUHp6pD0cPtoNzgwdUCDA==
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

2026-09-17T11:23:49.677279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037397
observed d8dc42789dc690c54a32b9cf5755a182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.659014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037397/manifest.json
observed 149c2a7f5a7d2508b6cccd18597065c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.641893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037397/publication.md
observed 39cdbb9559d1b663381572f34b1c3482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.624408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037397/publication.txt
observed 1a8176ef95fa234d722ca6c62ce4291d...
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.