Pith Number

pith:4TBELXYL

pith:2018:4TBELXYLDEKQCF4YJ4VR24EJYI

not attested not anchored not stored refs pending

Challenges of capturing engagement on Facebook for Altmetrics

Asura Enkhbayar, Juan Pablo Alperin

arxiv:1809.01194 v1 · 2018-09-04 · cs.SI · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TBELXYLDEKQCF4YJ4VR24EJYI}

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	2026-05-18T00:06:28.276872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c245df0b19150117984f2b1d7089c201a97b1654165da6e36565ad4106a66e

Aliases

arxiv: 1809.01194 · arxiv_version: 1809.01194v1 · doi: 10.48550/arxiv.1809.01194 · pith_short_12: 4TBELXYLDEKQ · pith_short_16: 4TBELXYLDEKQCF4Y · pith_short_8: 4TBELXYL

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/4TBELXYLDEKQCF4YJ4VR24EJYI \
  | 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: e4c245df0b19150117984f2b1d7089c201a97b1654165da6e36565ad4106a66e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a511befe3c0e2f828ea46146cb4e6493572001ace5e45293db0a718249ca978",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-09-04T18:51:26Z",
    "title_canon_sha256": "a906132847ff8f349ae58ac3d0d25122792a8d99f42ef165f06afbc1c836c564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01194",
    "kind": "arxiv",
    "version": 1
  }
}