Pith Number

pith:OXJXFWPQ

pith:2012:OXJXFWPQJBM4LHGOYKFBG2YHRD

not attested not anchored not stored refs pending

True Peer Review

Amit K. Chopra

arxiv:1209.2807 v1 · 2012-09-13 · 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{OXJXFWPQJBM4LHGOYKFBG2YHRD}

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	2026-05-18T03:45:40.928348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75d372d9f04859c59ccec28a136b0788e1af9f1add0a57422a0162bdd3a6cdbd

Aliases

arxiv: 1209.2807 · arxiv_version: 1209.2807v1 · doi: 10.48550/arxiv.1209.2807 · pith_short_12: OXJXFWPQJBM4 · pith_short_16: OXJXFWPQJBM4LHGO · pith_short_8: OXJXFWPQ

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/OXJXFWPQJBM4LHGOYKFBG2YHRD \
  | 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: 75d372d9f04859c59ccec28a136b0788e1af9f1add0a57422a0162bdd3a6cdbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae450401193939e19a002580594acd2a125cada06fb64b8085dc53f641df6f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2012-09-13T08:04:59Z",
    "title_canon_sha256": "4129cacfade2f38c21e215ac71eb1fc433f9565682138698d8ba5099c4e9c1af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2807",
    "kind": "arxiv",
    "version": 1
  }
}