OpenTechnical

OT-2026-000033488

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000033488) never changes.

Identity and time

Publication numberOT-2026-000033488 · never reused
Internal UUID01a0ae75-a38e-7e10-ad59-2a7417fba8d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033488
StatusPUBLIC

Content hashes

Canonical text1f7bcaeb9585865bca3e9e222a2e08859bd2912d63d98da533275ad8ff0519d5
Markdowna1dd6c4cb4df18ffcf845787ef6c59ff2a46a0f333ef12f81f6f0b1815b49e0b
PDF
Publication page2733bdf1ecfdcd463860ac24969fcf873b65c81c12a62cb4ef818b13216f3054
Manifestfdcb381df8ad2ee36a21eea3278fe42c0da805c06f2cff11f257196896d1b676

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
SignatureKSA+L/P7qMPSzi2fv16tTDDkQ8BnQJXuApDQ8HmfTKPui4ju3qGHUHPX6WGJ7/FyMJL2S96eOGeFe/pAyng5Ag==
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

2026-09-17T11:31:20.107299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033488
observed 2733bdf1ecfdcd463860ac24969fcf87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.090381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033488/manifest.json
observed fdcb381df8ad2ee36a21eea3278fe42c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.070816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033488/publication.md
observed a1dd6c4cb4df18ffcf845787ef6c59ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.053690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033488/publication.txt
observed 1f7bcaeb9585865bca3e9e222a2e0885...
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.