OpenTechnical

OT-2026-000026350

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three 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-2026-000026350) never changes.

Identity and time

Publication numberOT-2026-000026350 · never reused
Internal UUID01a0ae71-f4a7-75bb-87e6-c61bd3ad81bb · 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-2026-000026350
StatusPUBLIC

Content hashes

Canonical text1187d98bf0e8e8a70df68a6d46c4f4c017b3539c555c9b1f43db1c434dfb5318
Markdown6eda1f3b1b0bc7f6b051625ada0cc021deaff68371e83aff957eba2b1ea57391
PDF
Publication page3b4baf6f80a2c9605e092e149c35233959b5378cbfe757542c2b2ad01f511dda
Manifestb74a213b38751cd956e3424f08c50b637946ceb468a85cd9a72202d7f0019e63

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
SignatureYjpEfihOm0LVgwK+v+rc7sLQLqNG60+JIIhf2bY/XS0YtXlII5o9fsb9ATvWiUEVaO3m+rVxxX+dWtnuR/6ODA==
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

2026-09-17T11:44:19.386452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026350
observed 3b4baf6f80a2c9605e092e149c352339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:19.369737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026350/manifest.json
observed b74a213b38751cd956e3424f08c50b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:19.348486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026350/publication.md
observed 6eda1f3b1b0bc7f6b051625ada0cc021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:19.330885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026350/publication.txt
observed 1187d98bf0e8e8a70df68a6d46c4f4c0...
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.