Pith Number

pith:32TCQ4GZ

pith:2015:32TCQ4GZ3PRNMNZMDCSBPTIQVL

not attested not anchored not stored refs pending

Quantifying Orphaned Annotations in Hypothes.is

Michael L. Nelson, Michele C. Weigle, Mohamed Aturban

arxiv:1512.06195 v1 · 2015-12-19 · 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{32TCQ4GZ3PRNMNZMDCSBPTIQVL}

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	2026-05-18T01:24:04.920311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea62870d9dbe2d6372c18a417cd10aaf5481c317f2853da924532b757e074c5

Aliases

arxiv: 1512.06195 · arxiv_version: 1512.06195v1 · doi: 10.48550/arxiv.1512.06195 · pith_short_12: 32TCQ4GZ3PRN · pith_short_16: 32TCQ4GZ3PRNMNZM · pith_short_8: 32TCQ4GZ

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/32TCQ4GZ3PRNMNZMDCSBPTIQVL \
  | 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: dea62870d9dbe2d6372c18a417cd10aaf5481c317f2853da924532b757e074c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "477d2a473b4d62c66c43cc8d8de4d30e04a12fb2459c473e405c9276673aa6e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-12-19T05:57:32Z",
    "title_canon_sha256": "34cc8ea519a7240fc7e7c38b56c9f9882e9c1d3411b46be6ce972aa01c8f6d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06195",
    "kind": "arxiv",
    "version": 1
  }
}