OpenTechnical

OT-2026-000044990

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000044990) never changes.

Identity and time

Publication numberOT-2026-000044990 · never reused
Internal UUID01a0ae7c-911d-7d5a-b79c-07a2cd751cf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044990
StatusPUBLIC

Content hashes

Canonical text0e57beae0beefc1f19ad0585e3b734fed8afdc1f719af7a6f00d9c8b31b47b81
Markdown9be1080ffcdd47243a4cb8197fc8efc9d6366afe1301b5d7b4d445c196da4fc0
PDF
Publication page96af24ea4da955bfbe11d309484ca1c17572ede1e73274fd36024240ed80afde
Manifest9da3957db05ea1921ce404f84415dce68167c2c2f38d700b07fd4077f4457d43

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
Signaturem422ToFu51QRiiR4NosCFFOwZ2qr8hTjA+kvBRcMxCrb9OFYMi2j4emeu1TF9WM3ACWug4BKDjls5U0TrysOCw==
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

2026-09-17T11:11:40.970684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044990
observed 96af24ea4da955bfbe11d309484ca1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.951959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044990/manifest.json
observed 9da3957db05ea1921ce404f84415dce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.932509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044990/publication.md
observed 9be1080ffcdd47243a4cb8197fc8efc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.914017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044990/publication.txt
observed 0e57beae0beefc1f19ad0585e3b734fe...
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.