pith. sign in
Pith Number

pith:EIIKJJYB

pith:2014:EIIKJJYBVEQSTFVM6MXY67XBDA
not attested not anchored not stored refs pending

Profile and hereditary classes of ordered relational structures

Djamila Oudrar, Maurice Pouzet

arxiv:1409.1108 v1 · 2014-09-03 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EIIKJJYBVEQSTFVM6MXY67XBDA}

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 2026-05-18T02:43:44.327464Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2210a4a701a9212996acf32f8f7ee11820da7c76ffc8702daf771a8310e5c15c

Aliases

arxiv: 1409.1108 · arxiv_version: 1409.1108v1 · doi: 10.48550/arxiv.1409.1108 · pith_short_12: EIIKJJYBVEQS · pith_short_16: EIIKJJYBVEQSTFVM · pith_short_8: EIIKJJYB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EIIKJJYBVEQSTFVM6MXY67XBDA \
  | 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: 2210a4a701a9212996acf32f8f7ee11820da7c76ffc8702daf771a8310e5c15c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2d3a3c12aa348d3d12ac703bd9e03f1079f085a48da816991c6a7f4b5b25a14c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-09-03T14:38:58Z",
    "title_canon_sha256": "f06613197b08fa6d1d7ec1a26d0529ddcba5b88d73f6d45ca501316eb171c17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1108",
    "kind": "arxiv",
    "version": 1
  }
}