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 ANTIPOLO, RIZAL Award a ₱813.9K contract to BIGBOY CONSTRUCTION SERVICESCities
Transaction hash:
ab2a0ab3db5a45fc8d2a8b049f7a13b303c40c8b0652b823de1d1477a966e8e9
Status:
Included and unchanged
Block:
#4,448 1,565 blocks after it
Position in block:
Transaction 173 of 258
Award day:
May 12, 2021 (5 yrs 6 mo ago)
Value:
₱813,876.24
Project:
Concreting/ Improvement at Various Schools, Brgy.
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 #4,448 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 ANTIPOLO, RIZAL awarded it to BIGBOY CONSTRUCTION SERVICES on 2021-05-12.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 Antipolo 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 ab2a0ab3db…66e8e9now …
- 2. Block Merkle root changedstored f5637a53e0…1348f6now …
- 3. Block #4448 hash changedstored f93faa778e…2dac2cnow …
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 257 records. Each step hashes the current value together with the sibling shown.
- leaf ab2a0ab3db5a45fc8d2a8b049f7a13b303c40c8b0652b823de1d1477a966e8e9
- 01 L a935e9ac8dfabf0a713900462855072e54bbd6d18ce73d8f2b041a53bc079bdf
- 02 R c966e8f1a76ab6462b46eeae857845272746f2e762d0bc1c3d4290920df90af4
- 03 L 4220484fe454d3b3d5da72f198886fccdd5ec480ddfb452bcfd331870d6331c8
- 04 L d32d97e195f0e54aab5957b39fe20a32e753ce27687ff2f15bb5b0c6753d6d1c
- 05 R b825a8141ce7886da90c0ee4b161d4f0c8e0ac66d1c092eea051cd0bfef0fe86
- 06 L 2a37b4fa2d00e18469bb1016ab14e75152ca048c43a47738d056fac2200b08ea
- 07 R a4b2084036dc2f2e5f577adb9e4728512b89da69e8574ad19c0c5397c07dc13e
- 08 L d09560fa9de8bdbcec9fac22bfb3c7ca824961f9c69223e9812302aa5a2fb114
- 09 R 7728acf4e5bd685138d461ce9bba69223197c6b82c08e6677d24cfa7c753745e
- root f5637a53e07ddaf4ddfd7691e804d6059e119a655913acd05e5dc4790e1348f6