Pith Number

pith:YVYKJFWR

pith:2016:YVYKJFWRAMFC6FKMPWERAWNWTS

not attested not anchored not stored refs pending

Observational Evidence Linking Interstellar UV Absorption to PAH Molecules

Alexander G.G.M. Tielens, Avi Blasberger, Ehud Behar, Hagai B. Perets, Noah Brosch

arxiv:1611.02183 v1 · 2016-11-07 · astro-ph.GA · 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{YVYKJFWRAMFC6FKMPWERAWNWTS}

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	2026-05-18T00:50:18.282733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c570a496d1030a2f154c7d891059b69cbbdb7ce97505e78a8bcff09eb826b86c

Aliases

arxiv: 1611.02183 · arxiv_version: 1611.02183v1 · doi: 10.48550/arxiv.1611.02183 · pith_short_12: YVYKJFWRAMFC · pith_short_16: YVYKJFWRAMFC6FKM · pith_short_8: YVYKJFWR

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/YVYKJFWRAMFC6FKMPWERAWNWTS \
  | 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: c570a496d1030a2f154c7d891059b69cbbdb7ce97505e78a8bcff09eb826b86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17e16069b09a4b955d8774f951ed06bb92d67f54b891efeddf89de63a54f78c8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-07T17:34:14Z",
    "title_canon_sha256": "80e712995fb1417dbaba410d34ea27fed558a07126859d5c5af7b219fdfadaa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02183",
    "kind": "arxiv",
    "version": 1
  }
}