OpenTechnical

OT-2026-000058168

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000058168) never changes.

Identity and time

Publication numberOT-2026-000058168 · never reused
Internal UUID01a0ae88-6edb-7983-afdd-a7701ec9d2db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058168
StatusPUBLIC

Content hashes

Canonical text58f3b483a73cb5d0ba003b83f5b7b9e79dac33ee455a81268bddb31716fff127
Markdownb586feaf9ebf76105fcad800070a2956c2822c014a5ad9531332cc1157d87276
PDF
Publication page9b4362017e4c20a48fe72721945abf1781f496061d463bafa097d5be0dcf08dc
Manifest480fe63e9f28f43ce64b799c24b1434f3b1d90eea2f8980e13af99ffcd59752c

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
SignaturemrU1CAvC5Gf9gMYRDjlp3ROw1SUFo3idpNQKGzi+M0udP+HwFLZ1OzhvxjWXL640/ORMT0fj0nZhLeu4O4NICQ==
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

2026-09-17T10:47:52.170789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058168
observed 9b4362017e4c20a48fe72721945abf17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.153343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058168/manifest.json
observed 480fe63e9f28f43ce64b799c24b1434f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.136053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058168/publication.md
observed b586feaf9ebf76105fcad800070a2956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.116354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058168/publication.txt
observed 58f3b483a73cb5d0ba003b83f5b7b9e7...
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.