OpenTechnical

OT-2026-000017948

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000017948) never changes.

Identity and time

Publication numberOT-2026-000017948 · never reused
Internal UUID01a0ae6e-96fc-7620-8ae0-82ea9abc8906 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017948
StatusPUBLIC

Content hashes

Canonical text7b6c16ad353db9fb2f483b730ea9b4c61c5772eb922ff55f0dfc52cfec16bd41
Markdown482eddf56a74b4bd60065362a909e059a349726cb1a2da627ceece10f5312c19
PDF
Publication page29683ca2a578654bd0e12efa5367fe6f002e84d943a1ce7cb1e242a69039122d
Manifest10ea4b0e8f355ba5d7b62236fc09358780d4e194a47a76aaaea314287db678df

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
Signaturevi710Hp4yAKC7YtPnOMfbViXq5HAt/1svmlqNdpbVA4B0a6dXlC69JE2/tVsaD8MPZ6hCAK5QG7o4mv1a5BYCQ==
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

2026-09-17T12:01:56.910882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017948
observed 29683ca2a578654bd0e12efa5367fe6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.895092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017948/manifest.json
observed 10ea4b0e8f355ba5d7b62236fc093587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.877990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017948/publication.md
observed 482eddf56a74b4bd60065362a909e059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.862109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017948/publication.txt
observed 7b6c16ad353db9fb2f483b730ea9b4c6...
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.