Pith Number

pith:JRHFWQPK

pith:2021:JRHFWQPKT2LDJ7B7O5M5YZULXM

not attested not anchored not stored refs pending

Assessing the stellar population and the environment of an HII region on the far side of the Galaxy

(10) Universidad Andr\'es Bello, 11), (11) Vatican Observatory, (12) West Virginia University, 13), (13) Green Bank Observatory, 14), (14) Universidad de Antioquia, (15) Instituto de Astrof\'isica de Canarias, 16), (16) Universidad de La Laguna), (2) University of Wisconsin-Whitewater, (3) Universidad de Antofagasta, (4) Universidad de Valpara\'iso, 5), (5) Instituto Milenio de Astrof\'isica, (6) Universidad Cat\'olica del Norte, (7) University of Hertfordshire, 8), (8) University of Cambridge, (9) European Southern Observatory, A. Herrero (15, A.-N. Chen\'e (1), C. Gonzalez-Fernandez (8), C. Moni Bidin (6), D. Gonzalez (6, D. Minniti (10, F. Mauro (6), J. Borissova (4), K. Pe\~na Ram\'irez (3) ((1) Gemini Observatory/NSF's NOIRLab, L. C. Smith (7, L. D. Anderson (12, P. Lucas (7), R. A. Benjamin (2), R. Kurtev (4, S. Ram\'irez Alegr\'ia (3), V. D. Ivanov (9), W. P. Armentrout (13), Z. Guo (7)

arxiv:2103.05849 v1 · 2021-03-10 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRHFWQPKT2LDJ7B7O5M5YZULXM}

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	2026-07-05T02:35:40.172828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c4e5b41ea9e9634fc3f7759dc668bbb2a37d021a00f91302bf7bec40df35069

Aliases

arxiv: 2103.05849 · arxiv_version: 2103.05849v1 · doi: 10.48550/arxiv.2103.05849 · pith_short_12: JRHFWQPKT2LD · pith_short_16: JRHFWQPKT2LDJ7B7 · pith_short_8: JRHFWQPK

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/JRHFWQPKT2LDJ7B7O5M5YZULXM \
  | 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: 4c4e5b41ea9e9634fc3f7759dc668bbb2a37d021a00f91302bf7bec40df35069

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d183e84c90ef3297067d6cd6b06771c555c6ff617afeccb80a1316e3a4936c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-10T03:23:28Z",
    "title_canon_sha256": "25c2c1a2467d6f2bb764f6dfd13b90e9e36b9191d0119f7e4553c6f2f6df98dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.05849",
    "kind": "arxiv",
    "version": 1
  }
}