Pith Number

pith:2YZMTKEL

pith:2021:2YZMTKELC7SISFEHWA6KOYGUYF

not attested not anchored not stored refs pending

The VLT-MUSE and ALMA view of the MACS 1931.8-2635 brightest cluster galaxy

B. I. Ciocan, B. L. Ziegler, K. Fogarty, M. Donahue, M. Postman, M. Verdugo, P. Papaderos

arxiv:2101.10718 v2 · 2021-01-26 · 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{2YZMTKELC7SISFEHWA6KOYGUYF}

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	2026-07-05T02:37:35.235996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d632c9a88b17e4891487b03ca760d4c14bfacae0a712390bc8b75f6239f51f33

Aliases

arxiv: 2101.10718 · arxiv_version: 2101.10718v2 · doi: 10.48550/arxiv.2101.10718 · pith_short_12: 2YZMTKELC7SI · pith_short_16: 2YZMTKELC7SISFEH · pith_short_8: 2YZMTKEL

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/2YZMTKELC7SISFEHWA6KOYGUYF \
  | 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: d632c9a88b17e4891487b03ca760d4c14bfacae0a712390bc8b75f6239f51f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9199720185c4064398aadb77c7605224a2c4b27b8685aba5ee427b183672ee3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-26T11:27:05Z",
    "title_canon_sha256": "7e841c8df2226999cef01c97c523c33a9587ca9d74605fdebff382b9536a9e36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.10718",
    "kind": "arxiv",
    "version": 2
  }
}