Pith Number

pith:E3DO4WLC

pith:2021:E3DO4WLCF37TA5DJEBAT2ZWVQR

not attested not anchored not stored refs pending

The rapid transition from star-formation to AGN dominated rest-frame UV light at z ~ 4

B.H\"au{\ss}ler, M.J.Jarvis, N.J.Adams, R.A.A.Bowler

arxiv:2101.01195 v1 · 2021-01-04 · 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{E3DO4WLCF37TA5DJEBAT2ZWVQR}

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	2026-07-05T02:06:21.577656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26c6ee59622eff30746920413d66d5846fa5d59ead5f2e6eb7e059a5db1a2ad3

Aliases

arxiv: 2101.01195 · arxiv_version: 2101.01195v1 · doi: 10.48550/arxiv.2101.01195 · pith_short_12: E3DO4WLCF37T · pith_short_16: E3DO4WLCF37TA5DJ · pith_short_8: E3DO4WLC

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/E3DO4WLCF37TA5DJEBAT2ZWVQR \
  | 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: 26c6ee59622eff30746920413d66d5846fa5d59ead5f2e6eb7e059a5db1a2ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549114785d8b2ba655a595c0a033d170184ce5a713152381651ffb7889f733d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-04T19:00:07Z",
    "title_canon_sha256": "c29332a584f44ece597f2752d54b8e78e490fc164cb61fc426a49a4186cb5374"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.01195",
    "kind": "arxiv",
    "version": 1
  }
}