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
CITY OF BATAC, ILOCOS NORTE Award a ₱14.5M contract to MEGAPOLITAN BUILDERS AND CONSTRUCTION SUPPLYCities
Transaction hash:
27ff6b5cf5899baaffa5942eb10d0817c13e4d59ec55540466209be37f041daf
Status:
Included and unchanged
Block:
#3,647 2,366 blocks after it
Position in block:
Transaction 19 of 146
Award day:
Jan 11, 2019 (7 yrs 10 mo ago)
Value:
₱14,468,388.45
Project:
CONSTRUCTION PROJECTS
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 #3,647 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)CITY OF BATAC, ILOCOS NORTE awarded it to MEGAPOLITAN BUILDERS AND CONSTRUCTION SUPPLY on 2019-01-11.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 City of Batac gave a "unmodified" 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 27ff6b5cf5…041dafnow …
- 2. Block Merkle root changedstored 7aed04fe9b…781556now …
- 3. Block #3647 hash changedstored 2f4ae071ad…71423fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 145 records. Each step hashes the current value together with the sibling shown.
- leaf 27ff6b5cf5899baaffa5942eb10d0817c13e4d59ec55540466209be37f041daf
- 01 L 270f5eaeaf6b1ec0b60f83431e8d44994b91053626aca6bb66ae56219ed597dc
- 02 L 37b04f44af1e706e71ebf9abc15c5d310426aa6277d5f5f88586b010c28cdfe3
- 03 R 87c1fee9ce09093a359b9d1ff6582a07e564f32b281ecea3cfc169266a40a635
- 04 R f3fd0bf4a0f50955b05705add4eaa8bbf03c2c4ebbae0987a5ff8ee0d1434c8e
- 05 L b9fca36ba4fb6d931dde47960ff6f9a28a4881506c3b42e9f0aabee1e9e7e590
- 06 R a78bce190b8aef07ce8fe26cba38fbd0e8fd15e5204b87052024daa6ba42d104
- 07 R 686350e47eae8e0e445b6cce0912d13f8c2857e91be3a0e7aa7413ede1814244
- 08 R ff9ac137b2041786d9b6b63d44b93e553c81f34b8346578e7d712738d4c6ca7f
- root 7aed04fe9bc5d04f55a79b1bd111ce26bb509d39617d0706d944de1322781556