OpenTechnical

OT-2026-000086971

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000086971) never changes.

Identity and time

Publication numberOT-2026-000086971 · never reused
Internal UUID01a0ae9a-80a5-74aa-9bf0-4c023f68d392 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086971
StatusPUBLIC

Content hashes

Canonical text5ee46378b6943714bfa99dd7917a8488178609c2ff2e312325411db949fcb7ac
Markdown5ad2f0ebf0ff78c2d7df4c9cb40235d0f3e7486b468f2ac0cdf1534b614b1059
PDF
Publication page3fa218aa7597548d5af71a8be8f1fe6e0bdba438a59d6c27bc72147be12aa6d5
Manifest925db5e74560f569a24b732419a6d863cce9e0bbc7f0922469c10df91e55160e

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
SignaturenXPo+pLZXkL4JO2QlRIMv38+SJu6YEVZXtlP70AGCn5kZz/B1fXlqaskNxAdU2xmIPt/TEmihTvzGDAmNC+uCg==
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

2026-09-17T09:51:52.277673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086971
observed 3fa218aa7597548d5af71a8be8f1fe6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.261744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086971/manifest.json
observed 925db5e74560f569a24b732419a6d863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.245048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086971/publication.md
observed 5ad2f0ebf0ff78c2d7df4c9cb40235d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.228565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086971/publication.txt
observed 5ee46378b6943714bfa99dd7917a8488...
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.