Pith Number

pith:J7HJ2Q6Q

pith:2018:J7HJ2Q6QQLVUK4HATZ6ZXL2GK6

not attested not anchored not stored refs pending

Optical Detection of Star Formation in a Cold Dust Cloud in the Counterjet Direction of Centaurus A

Anne Medling, Julie K. Banfield, Susan G. Neff, William C. Keel

arxiv:1804.01564 v1 · 2018-04-04 · 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{J7HJ2Q6QQLVUK4HATZ6ZXL2GK6}

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	2026-05-17T23:55:21.037145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fce9d43d082eb4570e09e7d9baf4657a52ac285a7e2d3273149376cf004f2c9

Aliases

arxiv: 1804.01564 · arxiv_version: 1804.01564v1 · doi: 10.48550/arxiv.1804.01564 · pith_short_12: J7HJ2Q6QQLVU · pith_short_16: J7HJ2Q6QQLVUK4HA · pith_short_8: J7HJ2Q6Q

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/J7HJ2Q6QQLVUK4HATZ6ZXL2GK6 \
  | 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: 4fce9d43d082eb4570e09e7d9baf4657a52ac285a7e2d3273149376cf004f2c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ce8f6f9f66d43c4d8ee68b995ffc1a053df13f832bdf210cdf4e2d5e1e49a0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-04T18:51:14Z",
    "title_canon_sha256": "0bb422609f284e75b29c98b3b3e6ec57eecb61198a3334741c1a0fef41bee6ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01564",
    "kind": "arxiv",
    "version": 1
  }
}