Pith Number

pith:7WFR5IC4

pith:2014:7WFR5IC4O4LQDK47UYT7FIASHO

not attested not anchored not stored refs pending

The physical conditions in IRDC clumps from Herschel HIFI observations of H2O

Fabrice Herpin, Floris F.S van der Tak, Friedrich Wyrowski, Russell F. Shipman, Wilfred Frieswijk

arxiv:1408.1515 v2 · 2014-08-07 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WFR5IC4O4LQDK47UYT7FIASHO}

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	2026-05-18T02:40:09.994225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd8b1ea05c771701ab9fa627f2a0123bbbe889a9f1e32bd5026d7a4e1b62bea4

Aliases

arxiv: 1408.1515 · arxiv_version: 1408.1515v2 · doi: 10.48550/arxiv.1408.1515 · pith_short_12: 7WFR5IC4O4LQ · pith_short_16: 7WFR5IC4O4LQDK47 · pith_short_8: 7WFR5IC4

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/7WFR5IC4O4LQDK47UYT7FIASHO \
  | 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: fd8b1ea05c771701ab9fa627f2a0123bbbe889a9f1e32bd5026d7a4e1b62bea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7837a07efd644a7445104fc2aa9cce5fdeb33cd83fe3892e922646109ee6ef1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-07T08:54:49Z",
    "title_canon_sha256": "a6206b17530b6871c6ebfa84ee9dff4223455f187ec10060e9ae476d06e809a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1515",
    "kind": "arxiv",
    "version": 2
  }
}