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 BAUAN, BATANGAS Award a ₱2.4M contract to D.T. ESTARON ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
10028b7ef8019ec4645bbbb9a515092f45282d1796bba57c6f7dbbb1f0f2c2d6
Status:
Included and unchanged
Block:
#1,530 4,483 blocks after it
Position in block:
Transaction 11 of 85
Award day:
Aug 10, 2012 (14 yrs 3 mo ago)
Value:
₱2,395,000.00
Project:
Construction Project
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 #1,530 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 BAUAN, BATANGAS awarded it to D.T. ESTARON ENGINEERING & CONSTRUCTION on 2012-08-10.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 Bauan gave a "not stated" 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 10028b7ef8…f2c2d6now …
- 2. Block Merkle root changedstored c7e17ca3c9…950b33now …
- 3. Block #1530 hash changedstored adacd4d7d1…27f95dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 84 records. Each step hashes the current value together with the sibling shown.
- leaf 10028b7ef8019ec4645bbbb9a515092f45282d1796bba57c6f7dbbb1f0f2c2d6
- 01 L 0e4b816cac19a138eefd27304ff0f33b6f908f166c7053f1b594d3be65934299
- 02 L 10c327dfe43d6918d7f635660b1fecbc092edfb01d8b5da8f865a0322314560f
- 03 R 86584a4fe66526a533481f14f308da8468071cbe735d5f1d5b9eb72f4d70d36c
- 04 L 59f8cb090a758780abe1c65cd4c894c0c07bdf2824ccc4dc0f8436a79f2a939a
- 05 R 79eef02e25ca544a9525c9522e93333c933204e76e523db05c52a53e8fcaac58
- 06 R 15d088ae70ca67c6d9e06a4a65130198b6e61280ca5778f41137164ab9f01c9d
- 07 R 32f1e87aa5300b80af2aec4aca371bee034497d60f16aae4388acdcf1f43b836
- root c7e17ca3c9dee065b4aef4c18e730d9b654bb36096162729d03cb72ed3950b33