Pith Number

pith:UPGVXJWA

pith:2025:UPGVXJWAJ3OQEWGDGHXYTNTEDN

not attested not anchored not stored refs pending

Steps towards an Ecology for the Internet

Alec P. Christie, Anil Madhavapeddy, Cyrus Omar, David A. Coomes, Hamed Haddadi, Jon Crowcroft, Josh Millar, Michael W. Dales, Patrick Ferris, Ryan Gibb, Sadiq Jaffer, Sam Reynolds, William J. Sutherland

arxiv:2506.06469 v1 · 2025-06-06 · cs.NI · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPGVXJWAJ3OQEWGDGHXYTNTEDN}

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	2026-07-05T11:17:50.656612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3cd5ba6c04edd0258c331ef89b6641b612be0e2796caf9165b01de820b425ff

Aliases

arxiv: 2506.06469 · arxiv_version: 2506.06469v1 · doi: 10.48550/arxiv.2506.06469 · pith_short_12: UPGVXJWAJ3OQ · pith_short_16: UPGVXJWAJ3OQEWGD · pith_short_8: UPGVXJWA

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/UPGVXJWAJ3OQEWGDGHXYTNTEDN \
  | 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: a3cd5ba6c04edd0258c331ef89b6641b612be0e2796caf9165b01de820b425ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae62f1bdab294a42f54698348ae26eaba84904c1fec965a37542721efe6fd54a",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2025-06-06T18:51:37Z",
    "title_canon_sha256": "684831ebeba535130b033bb226eb79990217f62f927723655d3a5868520fcb34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06469",
    "kind": "arxiv",
    "version": 1
  }
}