OpenTechnical

OT-2026-000089176

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000089176) never changes.

Identity and time

Publication numberOT-2026-000089176 · never reused
Internal UUID01a0ae9b-db00-78d5-8869-00dad0233fa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089176
StatusPUBLIC

Content hashes

Canonical textc6ef888441deee51dd96a703053e0f236c497ee68945098d87e474fc09e839a8
Markdown7262136333a0663bbe8a923dd5c9959cdc9da41ac85f4d7ac3cb4721a32af2b7
PDF
Publication pagee860dabb85b381e5968f6263508982688a595a2b5c746e1af6b65be138f889f6
Manifestaa7c61eae8f64fb1295acfdec4ad32d72d4f7718bcb492efac77cec3f676e99b

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
Signatureb3VDEc3I2pmb3bpHAK7YpnYpOxApkIIuo6zdKfQgj/2+Ue6uCXAa1rmDHZZ96MgcSHqWxsinhA4HZqJwxWLQAQ==
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

2026-09-17T09:47:11.314105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089176
observed e860dabb85b381e5968f626350898268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.296920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089176/manifest.json
observed aa7c61eae8f64fb1295acfdec4ad32d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.280175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089176/publication.md
observed 7262136333a0663bbe8a923dd5c9959c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.262941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089176/publication.txt
observed c6ef888441deee51dd96a703053e0f23...
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.