OpenTechnical

OT-2026-000058428

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000058428) never changes.

Identity and time

Publication numberOT-2026-000058428 · never reused
Internal UUID01a0ae88-f39a-7c22-885a-87a1f97f5c31 · 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-2026-000058428
StatusPUBLIC

Content hashes

Canonical textbaef14968cac2e7275930b95365ffa03c8ceffb3c6b72236ce1d93c664ef8b38
Markdowna809346d9cd80e26f143b5fa6c29b335d88b36bd4c4a64df3b541bb985ea8206
PDF
Publication pagec3a9c01c5d07869d625177fc9ea3aca1feb399832ea666c6c95f3e5c7645cdf8
Manifestd9eedb112becb67f566a78f52e682993824113c5b99ea5ef71446c0c18b20580

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
SignatureV6FlKt1dedBvX0bL2rH/33sQRYyth2H70g8QStQLE/p6tUU3OvCjJQ88YWUOTOhUelU5iOq6WKUcO/lDVCSTAw==
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

2026-09-17T10:46:51.509499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058428
observed c3a9c01c5d07869d625177fc9ea3aca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.492626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058428/manifest.json
observed d9eedb112becb67f566a78f52e682993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.476067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058428/publication.md
observed a809346d9cd80e26f143b5fa6c29b335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.459879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058428/publication.txt
observed baef14968cac2e7275930b95365ffa03...
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.