OpenTechnical

OT-2026-000068707

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000068707) never changes.

Identity and time

Publication numberOT-2026-000068707 · never reused
Internal UUID01a0ae90-2483-760f-bef5-b5d123fb47b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068707
StatusPUBLIC

Content hashes

Canonical texta24e21b676b4bb74c6b41aff543e64d0d1eaf47ca11c91100152219fecb8e91e
Markdown714a0e84058d31f4a8ebf8a08ef592d0b481555c35842b64b0f2c5df5d691b5e
PDF
Publication page28cbb494a3fd98ac2939627f2c436018de48fc1d4a29908aaf525bf5b59cfa46
Manifestd8494d81ba7f6077ddf0c0830d1325d8483328d97ed36882e2fc505657933748

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
SignaturepcbxOGtPSw5Isimaj21Wsp2Bvqtovzcm/xJUxTeZ905kmakO7Y4Gg9qPQ5+8+KKSSJhvthsoFNZv7gbzZtasAA==
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

2026-09-17T10:29:54.921978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068707
observed 28cbb494a3fd98ac2939627f2c436018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.903086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068707/manifest.json
observed d8494d81ba7f6077ddf0c0830d1325d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.882907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068707/publication.md
observed 714a0e84058d31f4a8ebf8a08ef592d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.865442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068707/publication.txt
observed a24e21b676b4bb74c6b41aff543e64d0...
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.