Pith Number

pith:VAQVTEGN

pith:2019:VAQVTEGN4LUAUETETCCV674Z3O

not attested not anchored not stored refs pending

Dust-depletion sequences in damped Ly-{\alpha} absorbers II. The composition of cosmic dust, from low-metallicity systems to the Galaxy

Anja C. Andersen, Annalisa De Cia, Lars Mattsson, Patrick Petitjean

arxiv:1901.04710 v3 · 2019-01-15 · 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{VAQVTEGN4LUAUETETCCV674Z3O}

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	2026-05-17T23:47:58.484654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8215990cde2e80a126498855f7f99db8e6fba47e768ac5dae28f537c890a215

Aliases

arxiv: 1901.04710 · arxiv_version: 1901.04710v3 · doi: 10.48550/arxiv.1901.04710 · pith_short_12: VAQVTEGN4LUA · pith_short_16: VAQVTEGN4LUAUETE · pith_short_8: VAQVTEGN

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/VAQVTEGN4LUAUETETCCV674Z3O \
  | 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: a8215990cde2e80a126498855f7f99db8e6fba47e768ac5dae28f537c890a215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dae05a46ec0a1c78c8b4ff9f29d37bdca27c34ce23a41a3646e12ef1b9a96857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-15T08:42:44Z",
    "title_canon_sha256": "84e692654cb8b349791651cf7f2cbb183c6b7fe22864b7a3f0ed192961555b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04710",
    "kind": "arxiv",
    "version": 3
  }
}