DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
MUNICIPALITY OF LUBAO, PAMPANGA Award a ₱1.5M contract to MAM CONSTRUCTION AND TRADINGMunicipalities
Transaction hash:
b4e879e15e45901f4a250a0f4e2eefde41d2565077b3a72d1c52561bd2b6cc62
Status:
Included and unchanged
Block:
#4,688 1,325 blocks after it
Position in block:
Transaction 74 of 121
Award day:
Jan 13, 2022 (4 yrs 10 mo ago)
Value:
₱1,492,749.54
Project:
CONSTRUCTION OF DAY CARE CENTER AT SAN PABLO 1ST,
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,688 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)MUNICIPALITY OF LUBAO, PAMPANGA awarded it to MAM CONSTRUCTION AND TRADING on 2022-01-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Lubao gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored b4e879e15e…b6cc62now …
- 2. Block Merkle root changedstored 0f57bc12d5…51e3aenow …
- 3. Block #4688 hash changedstored 160fb4aefa…f3603bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 120 records. Each step hashes the current value together with the sibling shown.
- leaf b4e879e15e45901f4a250a0f4e2eefde41d2565077b3a72d1c52561bd2b6cc62
- 01 R b77692a5dcc82ac0f1dec8404faece804c46c79b1a5eaa43b7899b71c4730962
- 02 L e4ae0244951c899cb7dc60130aa2f4c4106e209754291919162ad88b274931eb
- 03 R dbbccb110b9378872d6b1f9ee6f1fe7269268ccf2032c6781c9f67216fe387b0
- 04 L 8728a4bac9fd03a98acd9947ea8ab9b7248829aa87d49bfd515c18cbfe6ad4f6
- 05 R bffbb5a3d567b5587883f2ed16c1c702e5ec8820ffe6a0420b8c9d6cc6b8b42e
- 06 R 2b92d66668808673dd74d05b7a51116163242145a692551e10cd3526b61966df
- 07 L 438fc9a2c7352315c4c3d0404097b9f821695628956dc2796a34013db8f99d94
- root 0f57bc12d50c3ff483f0f5023e6642dd7f7daae393e09a99c6eeb7030e51e3ae