Pith Number

pith:MG7RF7MT

pith:2019:MG7RF7MT56XX73RIUQZPRKTX2P

not attested not anchored not stored refs pending

An Internet Heartbeat

Mark Allman, Robert Beverly

arxiv:1901.10441 v1 · 2019-01-29 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MG7RF7MT56XX73RIUQZPRKTX2P}

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	2026-05-17T23:55:15.382805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61bf12fd93efaf7fee28a432f8aa77d3e2b7193e29e034c70b7e6bce6f87eb8a

Aliases

arxiv: 1901.10441 · arxiv_version: 1901.10441v1 · doi: 10.48550/arxiv.1901.10441 · pith_short_12: MG7RF7MT56XX · pith_short_16: MG7RF7MT56XX73RI · pith_short_8: MG7RF7MT

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/MG7RF7MT56XX73RIUQZPRKTX2P \
  | 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: 61bf12fd93efaf7fee28a432f8aa77d3e2b7193e29e034c70b7e6bce6f87eb8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e3e2cb665bb939907fde13fdfe4654417b796a228a3dfc10af84b6eedf7f83d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-01-29T18:35:54Z",
    "title_canon_sha256": "d3c430f19e9c28c6002368aeff4354f9f2cb2419c7ebaf458bbe298979b81107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10441",
    "kind": "arxiv",
    "version": 1
  }
}