Pith Number

pith:PDI6Q5O4

pith:2020:PDI6Q5O4PWKOBVPYL2O6OETYBM

not attested not anchored not stored refs pending

Present-Biased Optimization

Fedor V. Fomin, Petr A. Golovach, Pierre Fraigniaud

arxiv:2012.14736 v1 · 2020-12-29 · math.OC · cs.AI · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDI6Q5O4PWKOBVPYL2O6OETYBM}

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	2026-07-05T02:03:01.118501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d1e875dc7d94e0d5f85e9de712780b02cc3292f0276d97d77ba39edc3a1974

Aliases

arxiv: 2012.14736 · arxiv_version: 2012.14736v1 · doi: 10.48550/arxiv.2012.14736 · pith_short_12: PDI6Q5O4PWKO · pith_short_16: PDI6Q5O4PWKOBVPY · pith_short_8: PDI6Q5O4

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/PDI6Q5O4PWKOBVPYL2O6OETYBM \
  | 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: 78d1e875dc7d94e0d5f85e9de712780b02cc3292f0276d97d77ba39edc3a1974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1fd78929b28932a5640490169de93ae31fe0b236b5932f6e226835c877f0dde",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-12-29T12:40:59Z",
    "title_canon_sha256": "951a2fa209899219d842091ba432fd045812cd92353890f4673cf473c4063751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14736",
    "kind": "arxiv",
    "version": 1
  }
}