Pith Number

pith:FM75LPQH

pith:2018:FM75LPQHVUHM5YUYVRBBMEUMDO

not attested not anchored not stored refs pending

Mobile Device Type Substitution

Benjamin Finley, Tapio Soikkeli

arxiv:1803.09152 v1 · 2018-03-24 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FM75LPQHVUHM5YUYVRBBMEUMDO}

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	2026-05-18T00:20:12.486456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3fd5be07ad0ecee298ac4216128c1baf86867126d8d2d2261a666949903fb9

Aliases

arxiv: 1803.09152 · arxiv_version: 1803.09152v1 · doi: 10.48550/arxiv.1803.09152 · pith_short_12: FM75LPQHVUHM · pith_short_16: FM75LPQHVUHM5YUY · pith_short_8: FM75LPQH

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/FM75LPQHVUHM5YUYVRBBMEUMDO \
  | 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: 2b3fd5be07ad0ecee298ac4216128c1baf86867126d8d2d2261a666949903fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b555f6566928584bb27001e14fd734cde7dfbe9bd9fc3896b870bd6a409ca2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-03-24T19:16:09Z",
    "title_canon_sha256": "7f2bbdb2de9b6fd86508f8985214d4aeb9959139e4892dc0b02c359a389a37ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09152",
    "kind": "arxiv",
    "version": 1
  }
}