OpenTechnical

OT-2026-000057723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000057723) never changes.

Identity and time

Publication numberOT-2026-000057723 · never reused
Internal UUID01a0ae88-2695-79bc-adf4-993ba417a30b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057723
StatusPUBLIC

Content hashes

Canonical text18569931b1b9bb031c2b14d6601c6b2319ac7c5524dce391361d6cd46d2da819
Markdown52c023271b752f4116140483817c84259a834b1d3835b2fd90adfb9b1979e14d
PDF
Publication pageeb24add44222a7b1b1dda3f15d4d89d300819e0440203fadc78656fcb44d60a0
Manifest0ca85bec61d1f34420f8c1c6248b64f79c9a6ed6c28d52a3dc86a53f8392b036

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
SignaturewzVT4X4tVNawJGZlEzbWYABnDtz/D+V6GgMGoxnola0nrt5Idc9H2PSJ7RxUaRZZrzos52BMP+v42bhj+0LpDQ==
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

2026-09-17T10:48:23.676013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057723
observed eb24add44222a7b1b1dda3f15d4d89d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.656874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057723/manifest.json
observed 0ca85bec61d1f34420f8c1c6248b64f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.637651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057723/publication.md
observed 52c023271b752f4116140483817c8425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.620155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057723/publication.txt
observed 18569931b1b9bb031c2b14d6601c6b23...
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.