OpenTechnical

OT-2026-000058512

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000058512) never changes.

Identity and time

Publication numberOT-2026-000058512 · never reused
Internal UUID01a0ae88-f39b-7ee1-a759-d4f27d2e13cb · 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-2026-000058512
StatusPUBLIC

Content hashes

Canonical text3c92283ccc2895e646a72d745522a026784be6a2be9f9371743845312ba33beb
Markdown08e4534cc8da79ff29eea5efb946b141e9be5bedc737f375f365e658827a0c67
PDF
Publication page9ddc201d6ab9377e9de57e3744c8fe85c93d653c62c7a747525d1f1481bebbb1
Manifestab11cb878003a8841021a0528eb6934cca3bd6dca9e8ce2b156dffb8fe959d09

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
Signaturep2y5Y4uiV2eS2OwqGh51CepLUopjx4kPtD4gACz+OZibgkCycW2QPnEa+AgXWG3xH2A0UWgW6O/1Yj6FRXwODg==
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

2026-09-17T10:46:58.276814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058512
observed 9ddc201d6ab9377e9de57e3744c8fe85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.260805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058512/manifest.json
observed ab11cb878003a8841021a0528eb6934c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.243868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058512/publication.md
observed 08e4534cc8da79ff29eea5efb946b141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.226618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058512/publication.txt
observed 3c92283ccc2895e646a72d745522a026...
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.