Pith Number

pith:E4I76LGT

pith:2018:E4I76LGTBX6ZM54WKB44ME53NX

not attested not anchored not stored refs pending

Stellar masses, metallicity gradients and suppressed star formation revealed in a new sample of absorption selected galaxies

J. P. U. Fynbo, L. Christensen, N. H. P. Rhodin, P. M{\o}ller, T. Zafar

arxiv:1807.01755 v1 · 2018-07-04 · 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{E4I76LGTBX6ZM54WKB44ME53NX}

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	2026-05-18T00:02:33.950776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2711ff2cd30dfd9677965079c613bb6dc6306307b8052a6a0c895cecc9b00c75

Aliases

arxiv: 1807.01755 · arxiv_version: 1807.01755v1 · doi: 10.48550/arxiv.1807.01755 · pith_short_12: E4I76LGTBX6Z · pith_short_16: E4I76LGTBX6ZM54W · pith_short_8: E4I76LGT

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/E4I76LGTBX6ZM54WKB44ME53NX \
  | 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: 2711ff2cd30dfd9677965079c613bb6dc6306307b8052a6a0c895cecc9b00c75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87d080c18d1fcd978bf5a355957725ba35b95544f8012d3b0dff6887767e1de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-04T19:36:38Z",
    "title_canon_sha256": "78432c2fbf721da4f5341f5e449d2f60ec32d76e9c4063f70cd7fe821d57449f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01755",
    "kind": "arxiv",
    "version": 1
  }
}