Pith Number

pith:TSJCYLVT

pith:2014:TSJCYLVTEPIKTDA33SWUZFWUMP

not attested not anchored not stored refs pending

On the Duality of Semiantichains and Unichain Coverings

Bart{\l}omiej Bosek, Grzegorz Matecki, Kolja Knauer, Stefan Felsner

arxiv:1401.1225 v1 · 2014-01-06 · math.CO · 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{TSJCYLVTEPIKTDA33SWUZFWUMP}

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	2026-05-18T03:03:09.324928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c922c2eb323d0a98c1bdcad4c96d463dcb292e19b4712291cb8b7d4b679f8e9

Aliases

arxiv: 1401.1225 · arxiv_version: 1401.1225v1 · doi: 10.48550/arxiv.1401.1225 · pith_short_12: TSJCYLVTEPIK · pith_short_16: TSJCYLVTEPIKTDA3 · pith_short_8: TSJCYLVT

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/TSJCYLVTEPIKTDA33SWUZFWUMP \
  | 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: 9c922c2eb323d0a98c1bdcad4c96d463dcb292e19b4712291cb8b7d4b679f8e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48d2a93e7e8567413c25abf667f53e78173353a56155a793a7997a5bb6903850",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-06T21:13:41Z",
    "title_canon_sha256": "e51956037d518e65ab48fa3a6201a96321975d58e1b7e31c83da0c31a3e18d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1225",
    "kind": "arxiv",
    "version": 1
  }
}