OpenTechnical

OT-2026-000043406

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000043406) never changes.

Identity and time

Publication numberOT-2026-000043406 · never reused
Internal UUID01a0ae7b-327e-76d9-ae65-be3d5f22fe66 · 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-2026-000043406
StatusPUBLIC

Content hashes

Canonical text2ad844502af45fcc383a9ec2a74280edeb82c966ba0d1a91127c6a1c37507c4c
Markdown9e9168dea8c998d40cad096fa582bf1309ffd48745ecef457c07da52fc54a113
PDF
Publication page3995a0954d1e9c788bea5b9d4ca5cea468fec4a80951d1e41f75f526278e9873
Manifest598c194ddb882759144efba4f7f23777607cc90afa3413691cfa234493ca1e5f

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
Signature6gEGnv+hDkjItWyBMjQCa/684v2pRByi6OjLcYP2QAo0tiOBl6siSiuPbXB70lrWrAhBWHuPrOa+fbK1Z+SAAg==
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

2026-09-17T11:13:56.640523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043406
observed 3995a0954d1e9c788bea5b9d4ca5cea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.622480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043406/manifest.json
observed 598c194ddb882759144efba4f7f23777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.604964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043406/publication.md
observed 9e9168dea8c998d40cad096fa582bf13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.586779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043406/publication.txt
observed 2ad844502af45fcc383a9ec2a74280ed...
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.