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 ALCALA, CAGAYAN Award a ₱495.5K contract to MARTHA CONSTRUCTIONMunicipalities
Transaction hash:
82716059ea24a2b71bea2bf9227f07671ac90de7af6b35a2530ebc37ddc35f12
Status:
Included and unchanged
Block:
#4,147 1,866 blocks after it
Position in block:
Transaction 144 of 275
Award day:
Jun 29, 2020 (6 yrs 4 mo ago)
Value:
₱495,477.07
Project:
Construction of Reinforced Concrete Box Culvert
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 #4,147 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 ALCALA, CAGAYAN awarded it to MARTHA CONSTRUCTION on 2020-06-29.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 Alcala 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 82716059ea…c35f12now …
- 2. Block Merkle root changedstored 975999cf5e…d60eb4now …
- 3. Block #4147 hash changedstored ffd879f90a…927d1dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 274 records. Each step hashes the current value together with the sibling shown.
- leaf 82716059ea24a2b71bea2bf9227f07671ac90de7af6b35a2530ebc37ddc35f12
- 01 R 85ac9061800a121cf027b97ee86d8656b651b29dba650ad53eac9aacf18062f7
- 02 R c452c4cf705581a2e891843cff93d0a537beb3c8b59a66014bd458feacc96085
- 03 R c3c4d564ddbd82c5f2b3c7ca95e9209ed5943604e10e5734f216c1807c422b56
- 04 R 0046cdd29621e898ef52fd65f6c080b06abe3217ab2e930cadce9a7cdb9964b2
- 05 L 0346743bc47c0857bc28cc15b58b1d2bb8091e423be650969b777d9504e30b8c
- 06 R 34788cd5b67655254fb9898b9bf6d2b63da81769661efff0c737430628561533
- 07 R 9f8df59993d5acb32689ed1ad4569ff2296a9f5010b1909be011c56e99e864c8
- 08 L 6e17b170309c230291714e4da3b253620ca6674ba26a61f11343c272b7ead759
- 09 R cab3ced60c703e149c17db4c86f209d2b71021bffeed146e807d94cedb81f16f
- root 975999cf5e3f0c9b5fd82c58856eb42aa53c0800d7e41153dbacb6704ed60eb4