Pith Number

pith:7LPCVEXN

pith:2015:7LPCVEXNQQGXLID3SXWMIDJLWS

not attested not anchored not stored refs pending

Astronomical Data Formats: What we have and how we got here

Jessica D. Mink

arxiv:1507.03646 v1 · 2015-07-13 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LPCVEXNQQGXLID3SXWMIDJLWS}

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	2026-05-18T01:36:57.714907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fade2a92ed840d75a07b95ecc40d2bb4837e18c974be253b7dd42ce731028188

Aliases

arxiv: 1507.03646 · arxiv_version: 1507.03646v1 · doi: 10.48550/arxiv.1507.03646 · pith_short_12: 7LPCVEXNQQGX · pith_short_16: 7LPCVEXNQQGXLID3 · pith_short_8: 7LPCVEXN

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/7LPCVEXNQQGXLID3SXWMIDJLWS \
  | 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: fade2a92ed840d75a07b95ecc40d2bb4837e18c974be253b7dd42ce731028188

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a93f1a73ae96767b356eea79e87000cc89e6720bc5b03920924ba9eb87c8c5d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-07-13T22:44:24Z",
    "title_canon_sha256": "2c4391f7523769b7dc7eb2f14ee81bcf5efd9ffe9b3f595638a970ab28980227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03646",
    "kind": "arxiv",
    "version": 1
  }
}