OpenTechnical

OT-2026-000068721

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000068721) never changes.

Identity and time

Publication numberOT-2026-000068721 · never reused
Internal UUID01a0ae90-6dca-7a88-8ef8-62f0e383e4a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068721
StatusPUBLIC

Content hashes

Canonical texted9992e9e1bc66f24c00145c21141c0f6e5b13ed3944aaa272d6fecd8d803cc3
Markdown236933b0701ecfd3ac9bd81761700b92d27cabd7e1e7a74de574fb669f3d7240
PDF
Publication page9e3bde39c37528cc836bb57c4ac2b4105c946b7c0715e04290c18bd012f1f62c
Manifeste22206b0af3cde8ba7a698c9b5d49f7a0f442fec21a852baeb3312a1ca68672b

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
Signature1rdeobR1/QpKjLBqCNDwkJ+7X/ZOiit0DP2iB/QQK5iopUKYhL9JnAp34dH665Mo8FKQ9HxWrNkU9UQeN0PaCw==
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

2026-09-17T10:28:29.758434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068721
observed 9e3bde39c37528cc836bb57c4ac2b410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.741609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068721/manifest.json
observed e22206b0af3cde8ba7a698c9b5d49f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.723093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068721/publication.md
observed 236933b0701ecfd3ac9bd81761700b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.705786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068721/publication.txt
observed ed9992e9e1bc66f24c00145c21141c0f...
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.