pith. sign in
Pith Number

pith:HBN4TFAD

pith:1997:HBN4TFADOTIUEFEB3WKN4I5EVF
not attested not anchored not stored refs pending

Updated measurement of the tau lepton lifetime

the ALEPH Collaboration

arxiv:hep-ex/9710026 v1 · 1997-10-23 · hep-ex

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HBN4TFADOTIUEFEB3WKN4I5EVF}

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 2026-05-18T03:47:21.519389Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

385bc9940374d1421481dd94de23a4a94fbf7d1b88adfd1f642b326f085d093e

Aliases

arxiv: hep-ex/9710026 · arxiv_version: hep-ex/9710026v1 · doi: 10.48550/arxiv.hep-ex/9710026 · pith_short_12: HBN4TFADOTIU · pith_short_16: HBN4TFADOTIUEFEB · pith_short_8: HBN4TFAD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HBN4TFADOTIUEFEB3WKN4I5EVF \
  | 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: 385bc9940374d1421481dd94de23a4a94fbf7d1b88adfd1f642b326f085d093e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4f6a59478011dd2c986d5d202ea22f5ecc07cbc977dbd5e32427516648a622c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "1997-10-23T20:28:55Z",
    "title_canon_sha256": "10e5ebb2b12f560827614a67d5779d04c0b98451d01f0962008f623c8fd3998d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/9710026",
    "kind": "arxiv",
    "version": 1
  }
}