OpenTechnical

OT-2026-000081753

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000081753) never changes.

Identity and time

Publication numberOT-2026-000081753 · never reused
Internal UUID01a0ae97-0f74-7db8-8b3e-68da8e299dd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081753
StatusPUBLIC

Content hashes

Canonical textcc15f19ec802f3631a5df21ff850d8cc3f1c4a9601bb1ad99899ca6b1b314c63
Markdown48d609b142700ea8a889f3cf9fddc67cd7dafdb9348004fa44c30ab2388a4274
PDF
Publication page74c1f87a1129a5b0e5fab9996621520d9bb365b1ee106aa7bb61e61adb706667
Manifest1b594fc25649a72b2fe43d07198578e0a827533700a487c69c7ec24b0475ec80

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
SignatureRjP1R4g8sUg9/CNueuKptB+CAFlLM4DVEg80DSarTEK17dCamKIllMzlWlfyQ30xRL+2Xau/luVPQys9zD+ZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:50.362667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081753
observed 74c1f87a1129a5b0e5fab9996621520d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:50.345256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081753/manifest.json
observed 1b594fc25649a72b2fe43d07198578e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:50.327476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081753/publication.md
observed 48d609b142700ea8a889f3cf9fddc67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:50.307068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081753/publication.txt
observed cc15f19ec802f3631a5df21ff850d8cc...
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.