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 ₱89.6K contract to TM ABAD CONSTRUCTIONCities
Transaction hash:
51ca37e0147e8e2e8b83ad0e20bcb28a530b391b0a841e7ca53e51613b3929f6
Status:
Included and unchanged
Block:
#3,927 2,086 blocks after it
Position in block:
Transaction 109 of 364
Award day:
Nov 4, 2019 (7 yrs ago)
Value:
₱89,575.11
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 #3,927 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 TM ABAD CONSTRUCTION on 2019-11-04.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 51ca37e014…3929f6now …
- 2. Block Merkle root changedstored 3f5085c8c1…f52965now …
- 3. Block #3927 hash changedstored 9be0309e2b…2be02enow …
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 363 records. Each step hashes the current value together with the sibling shown.
- leaf 51ca37e0147e8e2e8b83ad0e20bcb28a530b391b0a841e7ca53e51613b3929f6
- 01 L 516f2c05a4827cb592d3e62c79e5f1f17879a41b4728e69ad149d58e744b741f
- 02 R a4b1cbabb40996f13fbbbcc733b9996b86372e880130a587f86b69f9e63b1402
- 03 L b30f2b35034de9e5239d2c1aa55ea926d23cffdfbe140372b5320f51dec483d8
- 04 L 69d6e4e4000660d1b5bbe6c87f9fe2022d564a77a12eb59220a8e482e89fe862
- 05 R 179f7b143cf251010bc3338eedaa4936a811bc83acacd91e3c24b7c1e29ed477
- 06 L eb651c06b480bfeff68b60f4f839f6e7b8c9dc18ec85be5f5130a649dc4a8c06
- 07 L 32c4d928b390590f33be1f9c0797ba85c309729f701f201bd2678184139eb08f
- 08 R 8fb2a1f58ccb65c39ad6f2002e5141d7078b6b5b7ab694048f39696812b06d2d
- 09 R 35bd7bb698ec5bebc961979dcb252ffa9bf66aad0db3739af00918b52c3e4331
- root 3f5085c8c14302db6a6ab5d1cf66baa0cba4201595713243e8a70bcf30f52965