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 EASTERN SAMAR Award a ₱537.4K contract to TUBIGAN BUILDERSProvinces
Transaction hash:
2b0b60f7ddcb7d5fad3424e48fbc34ff9766ef1061b569d4fe21fabf8c6db770
Status:
Included and unchanged
Block:
#4,368 1,645 blocks after it
Position in block:
Transaction 45 of 268
Award day:
Feb 19, 2021 (5 yrs 8 mo ago)
Value:
₱537,401.10
Project:
Civil Works
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 #4,368 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 EASTERN SAMAR awarded it to TUBIGAN BUILDERS on 2021-02-19.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 Eastern Samar 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 2b0b60f7dd…6db770now …
- 2. Block Merkle root changedstored b923c69e2b…0a1a39now …
- 3. Block #4368 hash changedstored f6d89812b4…735bafnow …
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 267 records. Each step hashes the current value together with the sibling shown.
- leaf 2b0b60f7ddcb7d5fad3424e48fbc34ff9766ef1061b569d4fe21fabf8c6db770
- 01 L 29de0ca24bb43b4ebc2d70175ec29acf427a261cde635f9f684e879456d2b3f6
- 02 R 6c2899ea74a2a88f9430a003d20bc6c4d65336555dbb4cbf5be3d493718402ad
- 03 L 0951a43f976575da837d057f18848a37995bcb65ad1ef2c03c8fc120f9d129b0
- 04 L 4e9723ef18d71fe92b9db983526174cdfba65c87d2295e7db5b64df0ba3e8b18
- 05 R 186d0d626cb54d4b9c8aa5952f992f4380958783ff7f7848b868ea0178a077f0
- 06 L 193fe59359b3948c1c1d94f4bccb41ec2553d4408b1e2e9beb77e89c5570b1aa
- 07 R 096276cb0a88b49ef346058518f511c2dcf4c04d135957b4b1ea91f676db535c
- 08 R 2c0245a85dcfc286cec10bd46091469181c63025459da2a0679460c3e20f1a72
- 09 R e2d38afd076b63a1d577aa79b167159c4b7fdb053c55d09dc399ca680c41e39b
- root b923c69e2be7ebafd034fc28ffafe24f806065fcf325d9e561829c77300a1a39