OpenTechnical

OT-2026-000088546

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000088546) never changes.

Identity and time

Publication numberOT-2026-000088546 · never reused
Internal UUID01a0ae9b-8f0e-7fd7-bfa8-715f91767148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088546
StatusPUBLIC

Content hashes

Canonical textfbc6ed387ce7208e37d5c7202f8d6a994e7a2aa65cba25eab759aef59727c28f
Markdownea94de983cfa96b4feac5afe102d0c76f09153278796995c2a0c1514b6e75826
PDF
Publication pageb036eceb0bc2c86bf42cb015a2e5a1eb22ace638b043dffbd03de972b44b56d2
Manifesta54504f12a05f9ad077437ae52816b8cf61d23528d5e7a335bd22cbf279415e0

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
SignatureIbJPkWQomVbBEn7eTDeOglptMihgks11ZxNveMXVSvUIzQobBpZOTaGXfx3kJT6ewv4YF+JwSZPXYB7tpOyVAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:42.978589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088546
observed b036eceb0bc2c86bf42cb015a2e5a1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.958685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088546/manifest.json
observed a54504f12a05f9ad077437ae52816b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.939445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088546/publication.md
observed ea94de983cfa96b4feac5afe102d0c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.919714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088546/publication.txt
observed fbc6ed387ce7208e37d5c7202f8d6a99...
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.