Pith Number

pith:45PLR45T

pith:2018:45PLR45TIBIHIGF3LMBYRIDPIH

not attested not anchored not stored refs pending

High-resolution IR absorption spectroscopy of polycyclic aromatic hydrocarbons in the 3 micron region: role of hydrogenation and alkylation

A. Candian, A.G.G.M. Tielens, A. Petrignani, C.J. Mackie, E. Maltseva, J. Oomens, T.J. Lee, WJ Buma, X. Huang

arxiv:1802.01497 v1 · 2018-02-05 · 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{45PLR45TIBIHIGF3LMBYRIDPIH}

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	2026-05-18T00:19:21.249292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e75eb8f3b340507418bb5b0388a06f41db30353d007f53e3a75f029de898ca9b

Aliases

arxiv: 1802.01497 · arxiv_version: 1802.01497v1 · doi: 10.48550/arxiv.1802.01497 · pith_short_12: 45PLR45TIBIH · pith_short_16: 45PLR45TIBIHIGF3 · pith_short_8: 45PLR45T

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/45PLR45TIBIHIGF3LMBYRIDPIH \
  | 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: e75eb8f3b340507418bb5b0388a06f41db30353d007f53e3a75f029de898ca9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f60dfbd990f939725421be454709f769a0fb87dd0be7cb0f1f5c8ac5a00317b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-05T16:12:08Z",
    "title_canon_sha256": "6100eff1d7659367f7373abab38d13b63464d95c6b8dc3b7aae555bd262cdea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01497",
    "kind": "arxiv",
    "version": 1
  }
}