OpenTechnical

OT-2026-000071724

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000071724) never changes.

Identity and time

Publication numberOT-2026-000071724 · never reused
Internal UUID01a0ae92-1e91-7175-bda1-bebb6952e782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071724
StatusPUBLIC

Content hashes

Canonical texta291aa6d1a4597ea6fa55b356e0aafbe10d2aeaf8ed1338a73bf9b54cf56d6ab
Markdown2341c0f6dd5e0676b356befe1c2e92e4a1c48d5102745bd5751d1c63bdf2a266
PDF
Publication pageec646828ca1e3dba7fae814b66d9eb66dd6d25b2c0a808a6f6c6be6aaeeb0db6
Manifesta68fdb1f49914d4c8abb507bfc92bc70e32251b8ebd44dc9a7ca99d86a9fae6f

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
Signature3X0QrMTvKT6j9gT4iuLzSNDaS2ELfDqQPQY2IBOA2lVtyuBji4PLKXJkLDziA6custngWpfHAjrIpDv43a4MAA==
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

2026-09-17T10:23:52.679745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071724
observed ec646828ca1e3dba7fae814b66d9eb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.662820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071724/manifest.json
observed a68fdb1f49914d4c8abb507bfc92bc70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.605948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071724/publication.md
observed 2341c0f6dd5e0676b356befe1c2e92e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.581506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071724/publication.txt
observed a291aa6d1a4597ea6fa55b356e0aafbe...
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.