Pith Number

pith:UTKFJFK4

pith:2016:UTKFJFK4OX4QINLRYCQCW6EVY6

not attested not anchored not stored refs pending

Robust Flows over Time: Models and Complexity Results

Andreas Wierz, Arie M.C.A. Koster, Britta Peis, Corinna Gottschalk, Daniel Schmand, Frauke Liers

arxiv:1608.06520 v2 · 2016-08-23 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTKFJFK4OX4QINLRYCQCW6EVY6}

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	2026-05-18T00:16:50.905147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4d454955c75f9043571c0a02b7895c7a8eef09466ef87ec498fe4d8ad6c7b1a

Aliases

arxiv: 1608.06520 · arxiv_version: 1608.06520v2 · doi: 10.48550/arxiv.1608.06520 · pith_short_12: UTKFJFK4OX4Q · pith_short_16: UTKFJFK4OX4QINLR · pith_short_8: UTKFJFK4

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/UTKFJFK4OX4QINLRYCQCW6EVY6 \
  | 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: a4d454955c75f9043571c0a02b7895c7a8eef09466ef87ec498fe4d8ad6c7b1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d813bade4f652e93c66503091953f48c66fa64fb1b28b5c729caa2746ec68d03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-08-23T14:26:13Z",
    "title_canon_sha256": "9e6cfc5d5b35026c364eee574c66c797945cd09b22d9456c71b32286297af9a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06520",
    "kind": "arxiv",
    "version": 2
  }
}