Pith Number

pith:I36NZRH7

pith:2019:I36NZRH7QLHQPESQXR366G5L2A

not attested not anchored not stored refs pending

Chandra observation of a cold front in Abell 2554

M. Kiyami Erdim, Murat Hudaverdi

arxiv:1907.00499 v1 · 2019-06-30 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I36NZRH7QLHQPESQXR366G5L2A}

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	2026-07-04T23:51:45.533310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46fcdcc4ff82cf079250bc77ef1babd03e722cc946b516704e4eb6945244ba77

Aliases

arxiv: 1907.00499 · arxiv_version: 1907.00499v1 · doi: 10.48550/arxiv.1907.00499 · pith_short_12: I36NZRH7QLHQ · pith_short_16: I36NZRH7QLHQPESQ · pith_short_8: I36NZRH7

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/I36NZRH7QLHQPESQXR366G5L2A \
  | 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: 46fcdcc4ff82cf079250bc77ef1babd03e722cc946b516704e4eb6945244ba77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61507c195dd3c021228954c27facf00c0c548956acd284dd6c5db219313bd564",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-06-30T23:54:03Z",
    "title_canon_sha256": "a0eaf0c8c2724595718ee704e6297c7e639fd6830bb8bf52589fbbccc5c5b25a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00499",
    "kind": "arxiv",
    "version": 1
  }
}