Pith. sign in
Pith Number

pith:IMVYZQDK

pith:2021:IMVYZQDKT7AS36VLDPJ6AO4JNN
not attested not anchored not stored refs pending

Federating Scholarly Infrastructures with GraphQL

Kheir Eddine Farfar, Markus Stocker, Muhammad Haris, S\"oren Auer

arxiv:2109.05857 v1 · 2021-09-13 · cs.DL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IMVYZQDKT7AS36VLDPJ6AO4JNN}

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 2026-07-05T03:13:43.102308Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

432b8cc06a9fc12dfaab1bd3e03b896b539dbb56d9f56d14375660dd3e23dc54

Aliases

arxiv: 2109.05857 · arxiv_version: 2109.05857v1 · doi: 10.48550/arxiv.2109.05857 · pith_short_12: IMVYZQDKT7AS · pith_short_16: IMVYZQDKT7AS36VL · pith_short_8: IMVYZQDK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IMVYZQDKT7AS36VLDPJ6AO4JNN \
  | 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: 432b8cc06a9fc12dfaab1bd3e03b896b539dbb56d9f56d14375660dd3e23dc54
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "df7570e96a99ac5dd2c978732a6def82b361b31faec7841d5c22302cfb7c8e7b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2021-09-13T10:54:44Z",
    "title_canon_sha256": "3a66b26874f8329c37b1cf26da8d07cf0a842364e75980ee1ce127b54424e893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05857",
    "kind": "arxiv",
    "version": 1
  }
}