Pith Number

pith:TCFOQE2Q

pith:2021:TCFOQE2QLDKIEEKTZV6LHHUC7C

not attested not anchored not stored refs pending

Discovery of Interstellar trans-cyanovinylacetylene (HCCCH=CHCN) and vinylcyanoacetylene (H$_2$C=CHC$_3$N) in GOTHAM Observations of TMC-1

Andrew M. Burkhardt, Anthony Remijan, Brett A. McGuire, Christopher N. Shingledecker, Ci Xue, Ilsa R. Cooke, Kin Long Kelvin Lee, Mark A. Siebert, Michael C. McCarthy, Ryan A. Loomis, Steven B. Charnley

arxiv:2101.05858 v2 · 2021-01-14 · 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{TCFOQE2QLDKIEEKTZV6LHHUC7C}

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	2026-07-05T02:14:45.306874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

988ae8135058d4821153cd7cb39e82f8bd47f75a5c865cfb20fba3285e05b81d

Aliases

arxiv: 2101.05858 · arxiv_version: 2101.05858v2 · doi: 10.48550/arxiv.2101.05858 · pith_short_12: TCFOQE2QLDKI · pith_short_16: TCFOQE2QLDKIEEKT · pith_short_8: TCFOQE2Q

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/TCFOQE2QLDKIEEKTZV6LHHUC7C \
  | 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: 988ae8135058d4821153cd7cb39e82f8bd47f75a5c865cfb20fba3285e05b81d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf40e80aede2d036dd0a2f0b6bf89d5a6156966ff162cc795471124851c0a6d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-14T20:36:12Z",
    "title_canon_sha256": "4d7b57bd8cd906668d9153ba17d511bc5f3a99b9187f337103968040580707be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05858",
    "kind": "arxiv",
    "version": 2
  }
}