OpenTechnical

OT-2026-000025323

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000025323) never changes.

Identity and time

Publication numberOT-2026-000025323 · never reused
Internal UUID01a0ae71-5fa7-7b5e-a934-2fd0eb6a1141 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025323
StatusPUBLIC

Content hashes

Canonical textf61f067ab8db334fa6396d260f1bb76b86df5dd9557f51132d0d4f75d51bc015
Markdown8452a1895609f91e950c35173f9c47f5cd64d1b087f9193695dbf3ff4e0d2d37
PDF
Publication page54ccaadd35d40752a4000c2104e792773b1bf1f4d08a846e23e33080701667a0
Manifestc6b4dbbed97fcd1e87caba5366b0ee45a9c82d10cd96271dfdbbd77629e3fccd

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
SignatureRZof6ElUnhYfukN8cURLEv4nOaHD7SvyHHyM7DZWAeq2o7NhS94o24dwUI9pmtfWHSlnM6zlbwCAnrT1ubcaDg==
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

2026-09-17T11:47:20.705310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025323
observed 54ccaadd35d40752a4000c2104e79277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.684587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025323/manifest.json
observed c6b4dbbed97fcd1e87caba5366b0ee45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.666041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025323/publication.md
observed 8452a1895609f91e950c35173f9c47f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.647417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025323/publication.txt
observed f61f067ab8db334fa6396d260f1bb76b...
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.