Pith Number

pith:UUUXFA7R

pith:2019:UUUXFA7R553YWM4BVGXLR7PQQV

not attested not anchored not stored refs pending

Rest-frame UV and optical emission line diagnostics of ionised gas properties: a test case in a star-forming knot of a lensed galaxy at z~1.7

Ayan Acharyya, Christoph Federrath, David Nicholls, Fuyan Bian, Guillermo A. Blanc, Jane R. Rigby, Lisa J. Kewley, Matthew Bayliss, Melanie Kaasinen, Michael Florian

arxiv:1907.07665 v1 · 2019-07-17 · 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{UUUXFA7R553YWM4BVGXLR7PQQV}

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	2026-05-17T23:40:21.343410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5297283f1ef778b3381a9aeb8fdf08566a1d443598b77c158cdc5af0bad67df

Aliases

arxiv: 1907.07665 · arxiv_version: 1907.07665v1 · doi: 10.48550/arxiv.1907.07665 · pith_short_12: UUUXFA7R553Y · pith_short_16: UUUXFA7R553YWM4B · pith_short_8: UUUXFA7R

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/UUUXFA7R553YWM4BVGXLR7PQQV \
  | 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: a5297283f1ef778b3381a9aeb8fdf08566a1d443598b77c158cdc5af0bad67df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c8a6ccb50dc98ead9d60c4139029349b832abd74a837d32db70df9fd3a96443",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-17T17:52:57Z",
    "title_canon_sha256": "780ee48986a80a3d5c8056cf2499a80af326702d4e20e623a306e62d67ab10ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07665",
    "kind": "arxiv",
    "version": 1
  }
}