OpenTechnical

OT-2026-000079299

Publication integrity record

Four bellows cup 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-2026-000079299) never changes.

Identity and time

Publication numberOT-2026-000079299 · never reused
Internal UUID01a0ae96-0b90-72e2-8a9b-6a9d103da554 · 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-2026-000079299
StatusPUBLIC

Content hashes

Canonical text85ca3f4d3d5156fb93e0f740d63fdd28ed3d32475603b771b1c6c1cd5310202b
Markdown8de221b8c334f3e1460aa1d86a873a71910eac00c8cb140a957aae6ed6a2bbd1
PDF
Publication page9de16aa3996d15e756148a15d9f3b710f107b89a6a75cd328403ff71658ed12d
Manifestc20a72499977a612d3d032f2e5ca9c7667da7e327b488ad0967da223726be9c7

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
SignatureMjOPA+x0cfYsrMC6geJ6fGmXUDzomVhldgsX3keakclxKvm/pxDIunz+bdXoX5BIuuII1vCJM3L08rpQnPQCBw==
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

2026-09-17T10:04:54.575995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079299
observed 9de16aa3996d15e756148a15d9f3b710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.558440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079299/manifest.json
observed c20a72499977a612d3d032f2e5ca9c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.539734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079299/publication.md
observed 8de221b8c334f3e1460aa1d86a873a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.522710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079299/publication.txt
observed 85ca3f4d3d5156fb93e0f740d63fdd28...
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.