OpenTechnical

OT-2026-000043374

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000043374) never changes.

Identity and time

Publication numberOT-2026-000043374 · never reused
Internal UUID01a0ae7b-327e-7aed-b7d8-fba3e300e00e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043374
StatusPUBLIC

Content hashes

Canonical textc192645a3da144ecc093e45ac5381579bb52d18e390e42e22ec257839743cae3
Markdownc1d32390b4ef813983aa15fe392cf3aeff27f8308997bce709b02bc107a34c21
PDF
Publication page793ac5faa616a4dd5ea2f4b769a1879bf4daeb566ca5d70aa5e06168f0e3a03d
Manifestdeab4553f79a12b4c0dabded7420f473ca778f48b2663095ad5ef7867b6b9150

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
SignatureLPSQrS7IfhF2sLEb5UC/t3R7qPrLtEODgkhHuE+a9bV7LuN9g21ZSso6TankUopvtVwRNYdFsNAYgTvK6T+qCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:54.066317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043374
observed 793ac5faa616a4dd5ea2f4b769a1879b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.047423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043374/manifest.json
observed deab4553f79a12b4c0dabded7420f473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.028151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043374/publication.md
observed c1d32390b4ef813983aa15fe392cf3ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.008531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043374/publication.txt
observed c192645a3da144ecc093e45ac5381579...
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.