Pith Number

pith:BC3FW7ZY

pith:2015:BC3FW7ZYXE6SSXPX7VF4R4NWBS

not attested not anchored not stored refs pending

Enabling Multiple QR Codes in Close Proximity

Chandrasekhar Narayanaswami, Mercan Topkara, Thomas Erickson, Umut Topkara

arxiv:1510.08210 v1 · 2015-10-28 · cs.CY · 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{BC3FW7ZYXE6SSXPX7VF4R4NWBS}

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	2026-05-18T01:28:36.880006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08b65b7f38b93d295df7fd4bc8f1b60cae99ca45db183ff90304c675f0036288

Aliases

arxiv: 1510.08210 · arxiv_version: 1510.08210v1 · doi: 10.48550/arxiv.1510.08210 · pith_short_12: BC3FW7ZYXE6S · pith_short_16: BC3FW7ZYXE6SSXPX · pith_short_8: BC3FW7ZY

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/BC3FW7ZYXE6SSXPX7VF4R4NWBS \
  | 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: 08b65b7f38b93d295df7fd4bc8f1b60cae99ca45db183ff90304c675f0036288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5e26d2bee181f3e2d5978cf3796d7a3579e9c65f343f520afb998b5a70a3278",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-10-28T07:01:39Z",
    "title_canon_sha256": "eaa454290bf74e96163f21f3fdfa7c2bea3be44a5ddbf898e47ee8d8a4efcda5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08210",
    "kind": "arxiv",
    "version": 1
  }
}