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 MEYCAUAYAN, BULACAN Award a ₱1.5M contract to SYMS CONSTRUCTION TRADINGCities
Transaction hash:
debcf5dcff9f630ee0dab4cf6b761a409a5e3223cd78078f507fa0d249d3f443
Status:
Included and unchanged
Block:
#5,611 402 blocks after it
Position in block:
Transaction 200 of 226
Award day:
Sep 3, 2024 (2 yrs 2 mo ago)
Value:
₱1,497,429.73
Project:
Construction Services
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 #5,611 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 MEYCAUAYAN, BULACAN awarded it to SYMS CONSTRUCTION TRADING on 2024-09-03.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 Meycauayan 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 debcf5dcff…d3f443now …
- 2. Block Merkle root changedstored f6c8d13a26…adce30now …
- 3. Block #5611 hash changedstored e18fcfb545…827eecnow …
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 225 records. Each step hashes the current value together with the sibling shown.
- leaf debcf5dcff9f630ee0dab4cf6b761a409a5e3223cd78078f507fa0d249d3f443
- 01 R e06bba4009e16b78b73c5cc8e42cdd502a225bf128a2fb5f5d8c31706135d328
- 02 R 216d21d1f4919fb043239399a5ff963f34bd4e6a3678520e1c02ae4ebcda7569
- 03 R 89becadb1eac2ca27d82d7e6088a9cf9384f4e34c7dd4af04dc60faba700f41f
- 04 L f7521f2738b97d0e94ecd17e66d6f4996425a707c7e23e307848e4657f74ffc2
- 05 R 1733e6f8e5d16c34daaef80d814e4f68ff8bf005b655a844aff21af518a363cb
- 06 R 9108677383fb954b2878eb94640bd5d19de3bfbd96eaff45a2a90736ac61cd34
- 07 L 2b67255ef370889a1df3ce5a8e91fede6735ffbf5b228b6a29be75ed3bd72a3a
- 08 L 9d6f98fa3f57d0db5ff9b51de102fc7e887c51cbc507c8bdfd176c78c3cd8278
- root f6c8d13a2656649653e898b8730e460e7a433b5c9094bd4f6d1bf6b3b9adce30