OpenTechnical

OT-2026-000079323

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000079323) never changes.

Identity and time

Publication numberOT-2026-000079323 · never reused
Internal UUID01a0ae96-0b90-774a-afb2-5fe7e3852596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079323
StatusPUBLIC

Content hashes

Canonical textcc14dc37fdd51e6f225efeaa5d3f3dffd44aca58a85496788569c437a10b6a6e
Markdown3dc02750e18ec12fa2f91a1f88d160ddd9c51ce8289f7bf8b70321041ce7f90e
PDF
Publication pageb5589cac9e83b0d4d78c17ac3dc9abd942efa4ec1f12c2b179145a3b477d87eb
Manifest0d137d284f3a307b2e44b50e243fbac5d6c2256cb4bb093bfa9be96c7f6e2141

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
SignatureG3UOkt7rxejwAaaTRtRAqzOAUVC5GM/ORHJi5qNmjpxO5EA1Uk8IYDKw9db0iuBgr2DU6P66inOLD474x+SeDw==
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

2026-09-17T10:04:56.084735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079323
observed b5589cac9e83b0d4d78c17ac3dc9abd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.066867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079323/manifest.json
observed 0d137d284f3a307b2e44b50e243fbac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.048652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079323/publication.md
observed 3dc02750e18ec12fa2f91a1f88d160dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.028913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079323/publication.txt
observed cc14dc37fdd51e6f225efeaa5d3f3dff...
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.