OpenTechnical

OT-2026-000013542

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000013542) never changes.

Identity and time

Publication numberOT-2026-000013542 · never reused
Internal UUID01a0ae6d-6fcb-78ab-abc5-1fa168eb2c3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013542
StatusPUBLIC

Content hashes

Canonical text6c19048c8d2e435df4c5de671b7bc5f726bfc4ec1c21dc72fd4e6d9c6249557b
Markdown644b64e7505dc99cbe46c3105de38452e1d575b493ae04a400d9b9d82c3aacc6
PDF
Publication pageacb0d51ca53c70f4c0bc1d922f092442f3fc8a1f7589e9729de0a1e218ae84ae
Manifest9dc2112278b731144151e9bf3503239178696301ce3e698a2b4f76127a43e271

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureuZ9Elq5OMfAocr7dbKJmq0xS+pBgcoA5XxBPF0Ec0Up21Eh7EFTw6ME9v5L0zj4GGXV80u35yy5Y1E9h8HexDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:05.078335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013542
observed acb0d51ca53c70f4c0bc1d922f092442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.060781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013542/manifest.json
observed 9dc2112278b731144151e9bf35032391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.040648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013542/publication.md
observed 644b64e7505dc99cbe46c3105de38452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.020882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013542/publication.txt
observed 6c19048c8d2e435df4c5de671b7bc5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.