OpenTechnical

OT-2026-000028127

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down

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-2026-000028127) never changes.

Identity and time

Publication numberOT-2026-000028127 · never reused
Internal UUID01a0ae72-a520-77ca-a083-9903041a791d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028127
StatusPUBLIC

Content hashes

Canonical text06902cf4283a3dd7f9bf3d44a4ea95a153e11b26999f6f5f1c3ff0f974dc457b
Markdownbdea959285616cf986823483e9b88970a0097cc1bc71a9cc535bfb25022e810e
PDF
Publication pagec595e808e0d633244221b006161d3f8d3b8f8e53bf6c114a22b896224ac517d5
Manifestc7529888f864efda66db520f8a542eec0621be9ae0798a92ba3f875f8d0a6da4

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
SignaturewoQc4oN7pBqXd5yj5xRLgPQhkdQo/I/NHW98F+2HUASq1BDTBkceCU1myYQwP9ZurVbqX7pNnzie8mwDIoxaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:28.636346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028127
observed c595e808e0d633244221b006161d3f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:28.614575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028127/manifest.json
observed c7529888f864efda66db520f8a542eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:28.597705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028127/publication.md
observed bdea959285616cf986823483e9b88970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:28.581458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028127/publication.txt
observed 06902cf4283a3dd7f9bf3d44a4ea95a1...
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.