OpenTechnical

OT-2026-000007593

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000007593) never changes.

Identity and time

Publication numberOT-2026-000007593 · never reused
Internal UUID01a0ae62-4df8-7e2f-b25d-49a681ddbd3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007593
StatusPUBLIC

Content hashes

Canonical text2f2aa977a446d3cc3529e5da48de90bc6d9c0a3b373caf3554bb99a356f34b6a
Markdownd20498ded53cb82f8848868c75c26b73cd5e987afd5fc0855659de0d578add23
PDF
Publication page34415f2c6fc5106281bcb16bebfce16060ba8809e64feabc54c7e81cc283de1a
Manifest2fb99cb09e67551953d84fa52143c352c6c9635e5ba2e08fdcb265e5d5f51ab8

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
SignaturesWjWHPyt2AsTmc8hl4b7cwr4MK9gw2U+4As7EebGoGKq7R0+FH0XoJViGon827Xp/i03bDJJdGRvIVn3RH9sCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T12:20:54.089637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007593
observed 34415f2c6fc5106281bcb16bebfce160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.066702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007593/manifest.json
observed 2fb99cb09e67551953d84fa52143c352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.043555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007593/publication.md
observed d20498ded53cb82f8848868c75c26b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.024631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007593/publication.txt
observed 2f2aa977a446d3cc3529e5da48de90bc...
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.