Pith Number

pith:DJUL53EL

pith:2008:DJUL53ELSBXEX7NJBTX3BNZRWC

not attested not anchored not stored refs pending

Counterflow Extension for the F.A.S.T.-Model

Maike Kaufman, Michael Schreckenberg, Tobias Kretz

arxiv:0804.4336 v1 · 2008-04-28 · cs.MA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJUL53ELSBXEX7NJBTX3BNZRWC}

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

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	2026-05-18T04:32:20.224883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a68beec8b906e4bfda90cefb0b731b0ad4611f62202d020053fa713e9f852c4

Aliases

arxiv: 0804.4336 · arxiv_version: 0804.4336v1 · doi: 10.48550/arxiv.0804.4336 · pith_short_12: DJUL53ELSBXE · pith_short_16: DJUL53ELSBXEX7NJ · pith_short_8: DJUL53EL

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/DJUL53ELSBXEX7NJBTX3BNZRWC \
  | 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: 1a68beec8b906e4bfda90cefb0b731b0ad4611f62202d020053fa713e9f852c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "668f5a9415172d423d467f43df647790b3d3696a4c043df96075e7a1a3385d4e",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2008-04-28T07:26:31Z",
    "title_canon_sha256": "d7018de10a217ebf456c8495eb1b4a570e153891c63760227925c6aebb9a9904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4336",
    "kind": "arxiv",
    "version": 1
  }
}