Pith Number

pith:TVMTGQVR

pith:2017:TVMTGQVRWTMJCMDME72N64AKQ7

not attested not anchored not stored refs pending

Spectroscopy of Ultra-diffuse Galaxies in the Coma Cluster

Dennis Zaritsky, Jennifer Kadowaki, R. L. Donnerstein

arxiv:1703.02042 v1 · 2017-03-06 · 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{TVMTGQVRWTMJCMDME72N64AKQ7}

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	2026-05-18T00:47:00.908532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d593342b1b4d891306c27f4df700a87da88809e24c83b0f1cf614b527241800

Aliases

arxiv: 1703.02042 · arxiv_version: 1703.02042v1 · doi: 10.48550/arxiv.1703.02042 · pith_short_12: TVMTGQVRWTMJ · pith_short_16: TVMTGQVRWTMJCMDM · pith_short_8: TVMTGQVR

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/TVMTGQVRWTMJCMDME72N64AKQ7 \
  | 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: 9d593342b1b4d891306c27f4df700a87da88809e24c83b0f1cf614b527241800

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8761ea5c334e5857c3125868ccb5fe2276ed587364e9770b0c78434cf6e53929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-06T19:00:01Z",
    "title_canon_sha256": "92e1596046d0da97bb3ae89b12a3baedd7d45de46a4e1d5d5c54a538d682a860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02042",
    "kind": "arxiv",
    "version": 1
  }
}