Pith Number

pith:OSX7QJQC

pith:2018:OSX7QJQCMPLRR3GSK2TLVDMT57

not attested not anchored not stored refs pending

The Maybe Stream: A Possible Cold Stellar Stream in the Ultra-Diffuse Galaxy NGC1052-DF2

Aaron J. Romanowsky, Allison Merritt, Charlie Conroy, Deborah Lokhorst, Jean Brodie, Jielai Zhang, J. M. Diederik Kruijssen, Lamiya Mowla, Pieter van Dokkum, Roberto Abraham, Shany Danieli, Steven Janssens, Yotam Cohen

arxiv:1805.00017 v1 · 2018-04-30 · 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{OSX7QJQCMPLRR3GSK2TLVDMT57}

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	2026-05-18T00:17:10.721226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74aff8260263d718ecd256a6ba8d93efc8898936c09bdb3bade78823369fbcd3

Aliases

arxiv: 1805.00017 · arxiv_version: 1805.00017v1 · doi: 10.48550/arxiv.1805.00017 · pith_short_12: OSX7QJQCMPLR · pith_short_16: OSX7QJQCMPLRR3GS · pith_short_8: OSX7QJQC

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/OSX7QJQCMPLRR3GSK2TLVDMT57 \
  | 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: 74aff8260263d718ecd256a6ba8d93efc8898936c09bdb3bade78823369fbcd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e14d1abf51122a29cbf80e1f379a57e553639dcc5e2a7082143074ab58ab3f12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-30T18:00:01Z",
    "title_canon_sha256": "879455ce67157b85c5d1ea19952e65612343d53b7e82fca1ca59037607647f04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00017",
    "kind": "arxiv",
    "version": 1
  }
}