Pith Number

pith:AVAJJBHE

pith:2014:AVAJJBHE62HR2DJVCDDLGTK4SR

not attested not anchored not stored refs pending

Discovery of a Gas-Rich Companion to the Extremely Metal-Poor Galaxy DDO 68

Alec S. Hirschauer, Andrew Dolphin, Angela Van Sistine, Aparna Venkatesan, Baerbel Koribalski, E.C. Elson, Erik D. Alfvin, Evan D. Skillman, H. Alyson Ford, Jeremy Bailin, Jessica L. Rosenberg, John J. Salzer, John M. Cannon, Kristen B.W. McQuinn, L\'eo Girardi, Megan Johnson, Paola Marigo, Philip Rosenfield, Steven Janowiecki, Steven R. Warren

arxiv:1404.3540 v1 · 2014-04-14 · 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{AVAJJBHE62HR2DJVCDDLGTK4SR}

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	2026-05-18T01:43:35.004112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05409484e4f68f1d0d3510c6b34d5c946cea66c16d2c62d6685689838336d580

Aliases

arxiv: 1404.3540 · arxiv_version: 1404.3540v1 · doi: 10.48550/arxiv.1404.3540 · pith_short_12: AVAJJBHE62HR · pith_short_16: AVAJJBHE62HR2DJV · pith_short_8: AVAJJBHE

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/AVAJJBHE62HR2DJVCDDLGTK4SR \
  | 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: 05409484e4f68f1d0d3510c6b34d5c946cea66c16d2c62d6685689838336d580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b51a0ce831443321af6a37f6df285a773312f63a0c1f221f9231e3270f97e6c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-14T11:15:01Z",
    "title_canon_sha256": "76c914e8682fc3c6a327c14ae07d1ec780e579266644e936774eec406ec2d529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3540",
    "kind": "arxiv",
    "version": 1
  }
}