Pith Number

pith:LTT5MX3G

pith:2011:LTT5MX3GD3FDQQR3FQ5TVOYWQY

not attested not anchored not stored refs pending

Space and Time as a Primary Classification Criterion for Information Retrieval in Distributed Social Networking

Andreas Donaubauer, Benjamin Koster, Florian Straub, Georg Groh

arxiv:1104.2196 v1 · 2011-04-12 · cs.IR · 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{LTT5MX3GD3FDQQR3FQ5TVOYWQY}

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	2026-05-18T04:24:35.773733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ce7d65f661eca38423b2c3b3abb1686084eaa6ccbadf31fc2c52ad8ea5ba0b1

Aliases

arxiv: 1104.2196 · arxiv_version: 1104.2196v1 · doi: 10.48550/arxiv.1104.2196 · pith_short_12: LTT5MX3GD3FD · pith_short_16: LTT5MX3GD3FDQQR3 · pith_short_8: LTT5MX3G

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/LTT5MX3GD3FDQQR3FQ5TVOYWQY \
  | 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: 5ce7d65f661eca38423b2c3b3abb1686084eaa6ccbadf31fc2c52ad8ea5ba0b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61572a403f3ef3c1fc0eb44c155649d7f17582953c35f9c5c879be63d579e290",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-04-12T12:54:25Z",
    "title_canon_sha256": "a6c08a88dddf7d6c788c5378ca3c0f480f079420982e3c074b934bfdbe6ac0af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2196",
    "kind": "arxiv",
    "version": 1
  }
}