Pith Number

pith:5UG2UOCM

pith:2016:5UG2UOCMOCBUMYYBF4JCGPD6MD

not attested not anchored not stored refs pending

Formation and Evolution of Blue Stragglers in 47 Tucanae

Harvey Richer, Jason Kalirai, Javiera Parada, Jeremy Heyl, Ryan Goldsbury

arxiv:1609.02115 v1 · 2016-09-07 · astro-ph.SR · 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{5UG2UOCMOCBUMYYBF4JCGPD6MD}

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	2026-05-18T01:01:22.156067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed0daa384c70834663012f12233c7e60e994d27dd8b9b3f1116c582755da2da5

Aliases

arxiv: 1609.02115 · arxiv_version: 1609.02115v1 · doi: 10.48550/arxiv.1609.02115 · pith_short_12: 5UG2UOCMOCBU · pith_short_16: 5UG2UOCMOCBUMYYB · pith_short_8: 5UG2UOCM

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/5UG2UOCMOCBUMYYBF4JCGPD6MD \
  | 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: ed0daa384c70834663012f12233c7e60e994d27dd8b9b3f1116c582755da2da5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c3786cd47fc077217a1a2d772f3b3f59be606d215212ce849bdd1dadb317ebc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-07T19:02:52Z",
    "title_canon_sha256": "439e8f3956c4a0b222b47df4733a5eaf980884482412f17cb0a77cc517524a7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02115",
    "kind": "arxiv",
    "version": 1
  }
}