Pith Number

pith:Z3DRZGXG

pith:2016:Z3DRZGXGLIEA6DX5UQG2YCQHEM

not attested not anchored not stored refs pending

Unusual void galaxy DDO68: implications of the HST resolved photometry

D. I. Makarov, L. N. Makarova, S. A. Pustilnik, S. B. Borisov

arxiv:1612.00495 v3 · 2016-12-01 · 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{Z3DRZGXGLIEA6DX5UQG2YCQHEM}

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	2026-05-18T00:53:47.555641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec71c9ae65a080f0efda40dac0a0723051f87f7b23303543b8bcb4547b6ebcc

Aliases

arxiv: 1612.00495 · arxiv_version: 1612.00495v3 · doi: 10.48550/arxiv.1612.00495 · pith_short_12: Z3DRZGXGLIEA · pith_short_16: Z3DRZGXGLIEA6DX5 · pith_short_8: Z3DRZGXG

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/Z3DRZGXGLIEA6DX5UQG2YCQHEM \
  | 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: cec71c9ae65a080f0efda40dac0a0723051f87f7b23303543b8bcb4547b6ebcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c6433032d6de3a41bacd12a2d3c3eca013c06bf13cd283fa5cf2dd3b0607b49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-01T22:09:23Z",
    "title_canon_sha256": "4ce79231ab11707aa530720dd4771d29f25f78aeea10c60fca6f23c365e25b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00495",
    "kind": "arxiv",
    "version": 3
  }
}