OpenTechnical

OT-2026-000058556

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000058556) never changes.

Identity and time

Publication numberOT-2026-000058556 · never reused
Internal UUID01a0ae88-f39c-7cff-9296-9826bfa675ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058556
StatusPUBLIC

Content hashes

Canonical texta7a3c1a91a271c4448cb574f20392fb79e084ce964983867c9eaaf5e5d5608eb
Markdownea24d2c0f692f02e5c6e2991d46348c27342318f1f38506b795c68296e6561b1
PDF
Publication pageb3aac486fbe113e8624722b05a23b9000c91e5e2aef59dce72bf82f790f04d26
Manifest5324ffb6458967771dcee9ecf2692b94341933c5aac75de14085af52a99a5969

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
Signature6nRjJCwmM2ch1uyZU9e9EJrkatyToB8NI+AkzxuGI0wU3+FaFb0C7uHEXXXOOPGCG9PArcnmHtl69l1UMQWCBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:02.214217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058556
observed b3aac486fbe113e8624722b05a23b900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.196869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058556/manifest.json
observed 5324ffb6458967771dcee9ecf2692b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.179763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058556/publication.md
observed ea24d2c0f692f02e5c6e2991d46348c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.162927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058556/publication.txt
observed a7a3c1a91a271c4448cb574f20392fb7...
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.