Pith Number

pith:DLTHLDVQ

pith:2018:DLTHLDVQHUGH4W44NTXM4U3D7G

not attested not anchored not stored refs pending

A chemical study of M67 candidate blue stragglers and evolved blue stragglers observed with APOGEE DR14

Anna Pasquali, Clio Bertelli Motta, Elisabetta Caffau, Eva K. Grebel

arxiv:1808.04601 v1 · 2018-08-14 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLTHLDVQHUGH4W44NTXM4U3D7G}

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	2026-05-18T00:06:37.025438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ae6758eb03d0c7e5b9c6ceece5363f99c35f5c99dfbf69f99006c7be585b4f9

Aliases

arxiv: 1808.04601 · arxiv_version: 1808.04601v1 · doi: 10.48550/arxiv.1808.04601 · pith_short_12: DLTHLDVQHUGH · pith_short_16: DLTHLDVQHUGH4W44 · pith_short_8: DLTHLDVQ

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/DLTHLDVQHUGH4W44NTXM4U3D7G \
  | 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: 1ae6758eb03d0c7e5b9c6ceece5363f99c35f5c99dfbf69f99006c7be585b4f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79921f4c5be39d84a4b55425a5630a37ada3c44f7e4c5c1ca59fb52b998df6f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-14T09:52:49Z",
    "title_canon_sha256": "fc84da82fc13188938414dbb9c7c156f7c7ce2aeaadff3d46344d348d69f24ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04601",
    "kind": "arxiv",
    "version": 1
  }
}