Pith Number

pith:RU7OLUQK

pith:2020:RU7OLUQKYBB654O7ORJ56XAXMA

not attested not anchored not stored refs pending

Who Are the `Silent Spreaders'?: Contact Tracing in Spatio-Temporal Memory Models

Ah-Hwee Tan, Budhitama Subagdja, Chai Quek, Quanjun Yin, Yue Hu

arxiv:2010.00187 v3 · 2020-10-01 · cs.SI · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RU7OLUQKYBB654O7ORJ56XAXMA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:25:10.939642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3ee5d20ac043eef1df7453df5c17601c20d73f87a8db9b90846e7b3dfed999

Aliases

arxiv: 2010.00187 · arxiv_version: 2010.00187v3 · doi: 10.48550/arxiv.2010.00187 · pith_short_12: RU7OLUQKYBB6 · pith_short_16: RU7OLUQKYBB654O7 · pith_short_8: RU7OLUQK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/RU7OLUQKYBB654O7ORJ56XAXMA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8d3ee5d20ac043eef1df7453df5c17601c20d73f87a8db9b90846e7b3dfed999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "995d6fb68ea8589cccac54af9e03136805435285a24e1418208d2c5c6c35fa2e",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2020-10-01T03:17:04Z",
    "title_canon_sha256": "3dfe2dd9fb12532807fded064ad04b3af29d27cdd8ae127f6cbf3b9461f244ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00187",
    "kind": "arxiv",
    "version": 3
  }
}