Pith Number

pith:R3ZPAM6Q

pith:2018:R3ZPAM6Q42JRD3SHQSHFLT4BJW

not attested not anchored not stored refs pending

Self-Representation on Twitter Using Emoji Skin Color Modifiers

Alexander Robertson, Sharon Goldwater, Walid Magdy

arxiv:1803.10738 v1 · 2018-03-28 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3ZPAM6Q42JRD3SHQSHFLT4BJW}

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	2026-05-18T00:19:54.275071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ef2f033d0e69311ee47848e55cf814db566ba286e7b80b9e868e11782310b8c

Aliases

arxiv: 1803.10738 · arxiv_version: 1803.10738v1 · doi: 10.48550/arxiv.1803.10738 · pith_short_12: R3ZPAM6Q42JR · pith_short_16: R3ZPAM6Q42JRD3SH · pith_short_8: R3ZPAM6Q

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/R3ZPAM6Q42JRD3SHQSHFLT4BJW \
  | 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: 8ef2f033d0e69311ee47848e55cf814db566ba286e7b80b9e868e11782310b8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe34934f04370f8e032f137e8d302e0c301f71baeb3177cf4d1bdfbf4746da3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-03-28T17:23:37Z",
    "title_canon_sha256": "658e630f1d185bfae261aad1a5e808c99eb6af2b68e226145d8ed9468d008713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10738",
    "kind": "arxiv",
    "version": 1
  }
}