Pith Number

pith:57HJHDAO

pith:2020:57HJHDAONLSF7DTFSB3F773PQO

not attested not anchored not stored refs pending

The MUSE Hubble Ultra Deep Field Survey. XV. The mean rest-UV spectra of Ly-alpha emitters at z>3

Anna Feltre, Anne Verhamme, David Carton, Floriane Leclercq, Hanae Inami, Haruka Kusakabe, Jarle Brinchmann, Jayadev Pradeep, Jeremy Blaizot, Johan Richard, Joop Schaye, Jorryt Matthee, Kasper B. Schmidt, Laurence Tresse, Leindert Boogaard, Lutz Wisotzki, Michael V. Maseda, Peter M. Weilbacher, Raffaella A. Marino, Roland Bacon, Sebastiano Cantalupo, Takuya Hashimoto, Tanya Urrutia, Themiya Nanayakkara, Wolfram Kollatschny

arxiv:2007.01878 v2 · 2020-07-03 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57HJHDAONLSF7DTFSB3F773PQO}

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	2026-07-05T01:37:12.695586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efce938c0e6ae45f8e6590765fff6f839a65473049c5ae734d769c5cd39dd44a

Aliases

arxiv: 2007.01878 · arxiv_version: 2007.01878v2 · doi: 10.48550/arxiv.2007.01878 · pith_short_12: 57HJHDAONLSF · pith_short_16: 57HJHDAONLSF7DTF · pith_short_8: 57HJHDAO

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/57HJHDAONLSF7DTFSB3F773PQO \
  | 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: efce938c0e6ae45f8e6590765fff6f839a65473049c5ae734d769c5cd39dd44a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9afb6a913453739dcf60ea7a56b004be31deb54266a96050e4285aed52b2bd9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-03T18:00:02Z",
    "title_canon_sha256": "fea1c1488987b47759c31ac9630f0165c112a0518f53f4568171678421da548a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01878",
    "kind": "arxiv",
    "version": 2
  }
}