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
PROVINCE OF ZAMBOANGA SIBUGAY Award a ₱3.0M contract to RITCHE-NATHALIE BUILDERS AND GENERAL MERCHANDISEProvinces
Transaction hash:
136bd618c44cc5cc25c5e2ecced718dc694f665ce43e40c786d67b55438fdd5e
Status:
Included and unchanged
Block:
#4,548 1,465 blocks after it
Position in block:
Transaction 11 of 193
Award day:
Aug 25, 2021 (5 yrs 2 mo ago)
Value:
₱2,994,554.03
Project:
Installation of Solar Street Lights
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 #4,548 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)PROVINCE OF ZAMBOANGA SIBUGAY awarded it to RITCHE-NATHALIE BUILDERS AND GENERAL MERCHANDISE on 2021-08-25.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 Zamboanga Sibugay 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 136bd618c4…8fdd5enow …
- 2. Block Merkle root changedstored 6090dc5454…77f401now …
- 3. Block #4548 hash changedstored 4e51b927a8…60911enow …
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 192 records. Each step hashes the current value together with the sibling shown.
- leaf 136bd618c44cc5cc25c5e2ecced718dc694f665ce43e40c786d67b55438fdd5e
- 01 L 12f9c0aa85fb1c2c153b81df4829aaccaf84fb0c46dce83f99f6288bc789ee50
- 02 L fb52667531bd55cc6aa18a8735cee6f7d2c4f372a7ca80ea663ea7110722ab5c
- 03 R b4ee3b937ef0905c6053d2e724575c628772d615163f96eb6b8a3ce545c6bb7d
- 04 L f05042d839cbee742008ef5bc71e5a38e2488bbe8d2e72a184a4c0bda90a0908
- 05 R 1a98fe7b927d0fb07fcb61dd39d503addf5e1dacd225fda2d1efc22e3c2a0d62
- 06 R c52bcbe930cd19fd3b04f13e84abae26a4a0e589e3cb99262d578ea0b1fe4954
- 07 R 403abcdbb3b71c4546831fc5a8d118fe4b70afc30888605913262d217254d5f8
- 08 R 2063c76eddb848f305b8a8de53875695523849cfa33b0a1a88ccc5c3fe5ec924
- root 6090dc5454e593eaf16ad6b80c02fc66f0a6857fb6d05b32c025b9c4c377f401