Pith Number

pith:RY5RKF5C

pith:2016:RY5RKF5CLBPMKO4T4VJYKKYUZR

not attested not anchored not stored refs pending

ALFALFA Discovery of the Most Metal-Poor Gas-Rich Galaxy Known: AGC 198691

Alec S. Hirschauer, Alex J. R. Gordon, Danielle Berg, Elizabeth A. K. Adams, Erik Aver, Evan D. Skillman, John J. Salzer, John M. Cannon, Katherine L. Rhode, Kevin V. Croxall, Kristen B. W. McQuinn, Martha P. Haynes, Riccardo Giovanelli, Richard W. Pogge, Steven Janowiecki

arxiv:1603.03798 v1 · 2016-03-11 · 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{RY5RKF5CLBPMKO4T4VJYKKYUZR}

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	2026-05-18T01:13:54.307900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e3b1517a2585ec53b93e553852b14cc794d2e9f1213d97328e814506a16f0b8

Aliases

arxiv: 1603.03798 · arxiv_version: 1603.03798v1 · doi: 10.48550/arxiv.1603.03798 · pith_short_12: RY5RKF5CLBPM · pith_short_16: RY5RKF5CLBPMKO4T · pith_short_8: RY5RKF5C

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/RY5RKF5CLBPMKO4T4VJYKKYUZR \
  | 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: 8e3b1517a2585ec53b93e553852b14cc794d2e9f1213d97328e814506a16f0b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8371f269d9681e631a957d37b28980a75ef4778880c38e6ab2146fd09951a302",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-11T21:54:35Z",
    "title_canon_sha256": "8be1e8ded98c8f69f7d2ef662922b9bc9cfd44c5dc4f11e7d290e16d4f5d0783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03798",
    "kind": "arxiv",
    "version": 1
  }
}