Pith Number

pith:IBDI6FUE

pith:2018:IBDI6FUEZVWH5XJ2KD2E7KD3PO

not attested not anchored not stored refs pending

The kinematics of the outer halo of M87 as mapped by planetary nebulae

A. Longobardi, C. Pulsoni, I. S\"oldner-Rembold, M. Arnaboldi, O. Gerhard

arxiv:1809.10708 v1 · 2018-09-27 · 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{IBDI6FUEZVWH5XJ2KD2E7KD3PO}

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	2026-05-17T23:59:04.864355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40468f1684cd6c7edd3a50f44fa87b7ba225ef4132851c43549baf6c01a83bbf

Aliases

arxiv: 1809.10708 · arxiv_version: 1809.10708v1 · doi: 10.48550/arxiv.1809.10708 · pith_short_12: IBDI6FUEZVWH · pith_short_16: IBDI6FUEZVWH5XJ2 · pith_short_8: IBDI6FUE

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/IBDI6FUEZVWH5XJ2KD2E7KD3PO \
  | 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: 40468f1684cd6c7edd3a50f44fa87b7ba225ef4132851c43549baf6c01a83bbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c68a6673e4727947f79db4a9d562cba1c4eeb8e9d2a8856cdf805f30ff2a9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-27T18:13:41Z",
    "title_canon_sha256": "9683fb1d0cad0080129f2aa3aac8ef69a84a8eefa58573aba06a935fb2caff5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10708",
    "kind": "arxiv",
    "version": 1
  }
}