OpenTechnical

OT-2026-000026434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000026434) never changes.

Identity and time

Publication numberOT-2026-000026434 · never reused
Internal UUID01a0ae71-f4a8-75d4-bc0b-b9be35cba257 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026434
StatusPUBLIC

Content hashes

Canonical text974ccbfe6573d088a82bfec0b6be0f697369921354ce03355aa5e14a69e41983
Markdowndb0e32ed3ed21d95720b63ca96d0c19ce860853bd6d981b5bbb203c3ff8d3d51
PDF
Publication page8c0936526aa9f1a73266ea7f24d253d158fcf1e19182cdbfb2f5bc1a37954e99
Manifestd1c0d58d5bb0cca9589fac0eaddba2665cac943b5bcaae37420dd1b3d981d6fa

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
Signaturehj7yfynILGln89ZLICH/Xze4bojGMnflkw/Q1fA1+R5p7NrmD3ftnOUK9yZ65fVC4WZrnYAlD0ZIWW5FmsfkBA==
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

2026-09-17T11:44:25.809963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026434
observed 8c0936526aa9f1a73266ea7f24d253d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.792734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026434/manifest.json
observed d1c0d58d5bb0cca9589fac0eaddba266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.775256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026434/publication.md
observed db0e32ed3ed21d95720b63ca96d0c19c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.756981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026434/publication.txt
observed 974ccbfe6573d088a82bfec0b6be0f69...
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.