Pith Number

pith:U2P76POC

pith:2016:U2P76POCEVXPORBYH72ITRB7CL

not attested not anchored not stored refs pending

Imaging and spectroscopic observations of a strange elliptical bubble in the northern arm of the spiral galaxy NGC 6946

Alexei V. Moiseev, Yuri N. Efremov

arxiv:1606.01373 v1 · 2016-06-04 · 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{U2P76POCEVXPORBYH72ITRB7CL}

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	2026-05-18T01:10:29.289583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69fff3dc2256ef744383ff489c43f12fbdb8797948ee83c70e375933999fb68

Aliases

arxiv: 1606.01373 · arxiv_version: 1606.01373v1 · doi: 10.48550/arxiv.1606.01373 · pith_short_12: U2P76POCEVXP · pith_short_16: U2P76POCEVXPORBY · pith_short_8: U2P76POC

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/U2P76POCEVXPORBYH72ITRB7CL \
  | 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: a69fff3dc2256ef744383ff489c43f12fbdb8797948ee83c70e375933999fb68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68a7c0e1b1fdef60c84a31cfc17ec2433e89339aa522dadac8356c7da2ffb8e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-04T11:39:56Z",
    "title_canon_sha256": "01a2ea0f58c8880b36d0f7d97d54a3dfdbaddbfe3384a93cc247cece4c56f7d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01373",
    "kind": "arxiv",
    "version": 1
  }
}