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
BARANGAY SAN JUAN - SAMAL BATAAN Award a ₱77.5K contract to AS MACHA CONSTRUCTION AND TRADINGBarangays
Transaction hash:
ec109db89f8ecfdb94bc72272c81707cff7d4e3da76b53de1ed5118cdd158e5e
Status:
Included and unchanged
Block:
#5,912 101 blocks after it
Position in block:
Transaction 6 of 7
Award day:
Jul 20, 2025 (1 yr 3 mo ago)
Value:
₱77,459.62
Project:
REHABILITATION OF MULTI PURPOSE ACTIVITY AREA
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 #5,912 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)BARANGAY SAN JUAN - SAMAL BATAAN awarded it to AS MACHA CONSTRUCTION AND TRADING on 2025-07-20.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ec109db89f…158e5enow …
- 2. Block Merkle root changedstored ab7362eec8…14ddacnow …
- 3. Block #5912 hash changedstored 8ad95a7ee8…919c19now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.
- leaf ec109db89f8ecfdb94bc72272c81707cff7d4e3da76b53de1ed5118cdd158e5e
- 01 R ec109db89f8ecfdb94bc72272c81707cff7d4e3da76b53de1ed5118cdd158e5e
- 02 L c3fd8d17522c5651eb24b273e4c1b8d63cb881833a813e4032fd21261314f26b
- 03 L 482b09fe5795994ba4e3200ae900470d619d4abe8a257592d91a7618114cc71b
- root ab7362eec8b1a1ab643fc76514edae70a92bcdab635247709c2f837e6414ddac