Pith Number

pith:ONIO5POX

pith:2018:ONIO5POXCHBHO7SIWOHWDH7P27

not attested not anchored not stored refs pending

Primordial deuterium abundance at z=2.504 towards Q1009+2956

E. O. Zavarygin, J. K. Webb, S. Riemer-S{\o}rensen, V. Dumont

arxiv:1801.04704 v1 · 2018-01-15 · astro-ph.CO · 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{ONIO5POXCHBHO7SIWOHWDH7P27}

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	2026-05-18T00:09:16.646394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7350eebdd711c2777e48b38f619fefd7e4870de61f3b122c4ceb535fb47582e4

Aliases

arxiv: 1801.04704 · arxiv_version: 1801.04704v1 · doi: 10.48550/arxiv.1801.04704 · pith_short_12: ONIO5POXCHBH · pith_short_16: ONIO5POXCHBHO7SI · pith_short_8: ONIO5POX

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/ONIO5POXCHBHO7SIWOHWDH7P27 \
  | 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: 7350eebdd711c2777e48b38f619fefd7e4870de61f3b122c4ceb535fb47582e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c2c04a8df398df69cae1f0cf91aff09ea5062c3c7bc7e6e26241d1b5489ef4a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-15T09:06:56Z",
    "title_canon_sha256": "1966f3d847f69410f9a5d249fafd6571a3cf5331ed10a3aa5396699ab674ed30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04704",
    "kind": "arxiv",
    "version": 1
  }
}