Pith Number

pith:KFQSFR5L

pith:2011:KFQSFR5LD4LR6BO5KDCM4BSOEM

not attested not anchored not stored refs pending

The role of OH in the chemical evolution of protoplanetary disks. I. The comet-forming region

Germ\'an Chaparro Molano, Inga Kamp

arxiv:1111.1149 v2 · 2011-11-04 · 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{KFQSFR5LD4LR6BO5KDCM4BSOEM}

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	2026-05-18T00:56:54.021411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516122c7ab1f171f05dd50c4ce064e231b4f4e2a40d769aafbe8c6a2c900c1fe

Aliases

arxiv: 1111.1149 · arxiv_version: 1111.1149v2 · doi: 10.48550/arxiv.1111.1149 · pith_short_12: KFQSFR5LD4LR · pith_short_16: KFQSFR5LD4LR6BO5 · pith_short_8: KFQSFR5L

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/KFQSFR5LD4LR6BO5KDCM4BSOEM \
  | 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: 516122c7ab1f171f05dd50c4ce064e231b4f4e2a40d769aafbe8c6a2c900c1fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0470b5e8b357881e215a8dd2f79de8cc4bb21b2e37d6f7e3594eb8b725c2acc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-04T15:12:20Z",
    "title_canon_sha256": "ba1c0ff4078104f116e995dc453dc723fef9998646d26d0c26028657e6795b98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1149",
    "kind": "arxiv",
    "version": 2
  }
}