OpenTechnical

OT-2026-000063162

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000063162) never changes.

Identity and time

Publication numberOT-2026-000063162 · never reused
Internal UUID01a0ae8c-94ab-74ba-bdd1-7ea0c6467a34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063162
StatusPUBLIC

Content hashes

Canonical text0cd2c3a4acd4575773f67ed0c5a4847b599a7efd28100116b338f251b72304bd
Markdown59b8fc73a227240ed960137d1660cc0dc7de5c89b809b8360635afb44a0a42da
PDF
Publication page2fbdc6900cc508ccd7bf677a92ba079f2aefe9b4b86e4ed8c747ffd208cd71fb
Manifestf38d37a42eef250df598a0eb192c0330da10f34be012bf9d2cec7ad9d48b3c52

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
Signaturex/UxHEvq2Ou8+7S91tPS382ymAkm5NYbp6MQ++sGHO4ZLAhWzhsaiDtxEvfmVUmpqbzLTpP6FBrue3IKZoifAA==
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

2026-09-17T10:38:57.077204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063162
observed 2fbdc6900cc508ccd7bf677a92ba079f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.059573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063162/manifest.json
observed f38d37a42eef250df598a0eb192c0330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.040786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063162/publication.md
observed 59b8fc73a227240ed960137d1660cc0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.022597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063162/publication.txt
observed 0cd2c3a4acd4575773f67ed0c5a4847b...
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.