Pith Number

pith:DY4ITAJ7

pith:2020:DY4ITAJ7CK6ARF64ZTYOXOUYVI

not attested not anchored not stored refs pending

Mapping the Interplanetary Filesystem

Bj\"orn Scheuermann, Martin Florian, Sebastian Henningsen, Sebastian Rust

arxiv:2002.07747 v1 · 2020-02-18 · cs.NI · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DY4ITAJ7CK6ARF64ZTYOXOUYVI}

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	2026-07-05T02:16:43.379091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e3889813f12bc0897dcccf0ebba98aa1a75aa4c1caa76e714505846bcbd3567

Aliases

arxiv: 2002.07747 · arxiv_version: 2002.07747v1 · doi: 10.48550/arxiv.2002.07747 · pith_short_12: DY4ITAJ7CK6A · pith_short_16: DY4ITAJ7CK6ARF64 · pith_short_8: DY4ITAJ7

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/DY4ITAJ7CK6ARF64ZTYOXOUYVI \
  | 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: 1e3889813f12bc0897dcccf0ebba98aa1a75aa4c1caa76e714505846bcbd3567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b2425d183daf1f71355310f4f8588bb498ab17bcf85aef7d404f13fee695bd",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2020-02-18T17:27:03Z",
    "title_canon_sha256": "c9ab2f7396602ad79030f0fc29d7700327284062337a501bd6bcbdb5afa3d1a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07747",
    "kind": "arxiv",
    "version": 1
  }
}