Pith Number

pith:PK6QSB3C

pith:2015:PK6QSB3CMUPP2R3AQSYF7F32DT

not attested not anchored not stored refs pending

The M4 Core Project with HST - IV. Internal Kinematics from Accurate Radial Velocities of 2771 Cluster Members

C. Sneden, G. Piotto, L. Malavolta, L. R. Bedin, V. Nascimbeni, V. Sommariva

arxiv:1509.05048 v1 · 2015-09-16 · 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{PK6QSB3CMUPP2R3AQSYF7F32DT}

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	2026-05-18T01:29:44.601627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7abd090762651efd476084b05f977a1cd376f0e94610aafc5071d82f39c00fb7

Aliases

arxiv: 1509.05048 · arxiv_version: 1509.05048v1 · doi: 10.48550/arxiv.1509.05048 · pith_short_12: PK6QSB3CMUPP · pith_short_16: PK6QSB3CMUPP2R3A · pith_short_8: PK6QSB3C

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/PK6QSB3CMUPP2R3AQSYF7F32DT \
  | 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: 7abd090762651efd476084b05f977a1cd376f0e94610aafc5071d82f39c00fb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3413470bc3e99b7629ea85a44afe6f56cc7e89a6810e6c0f6d7f83d6d84ffd93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-16T20:15:47Z",
    "title_canon_sha256": "29a43336fc3abf0e23fdd35c7386045f6aae90f2ca66f8631a6e9863af4e35b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05048",
    "kind": "arxiv",
    "version": 1
  }
}