OpenTechnical

OT-2026-000013031

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000013031) never changes.

Identity and time

Publication numberOT-2026-000013031 · never reused
Internal UUID01a0ae6d-5564-74e1-a625-aa7713deb4eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013031
StatusPUBLIC

Content hashes

Canonical text05233a7d0d433ac4ca76ccb467cf9798dfe1199d6af3f063911ed09d3e3d93c2
Markdown19f590d42b7fd7f1260e619018664a5c16198662be3b14ce98d2a57095f2c972
PDF
Publication pagef21c22c6d673e1dfe3e41454ca6656f0d704662a3e00ccf201e1f3235f3286fa
Manifest49fa5378cf2fc0e496bc43b39a8a2430608a2eb7d7c4c90bf44d7e60c6570e91

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
SignatureUJUA8//oVuqQG/Z9UHiVm8/8vvzWBLp8wASlEJG+wAirL3xh389g+ZLUcPLIWd1arkfUnwnVAF8LhA0lGHG+BQ==
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

2026-09-17T12:10:51.582774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013031
observed f21c22c6d673e1dfe3e41454ca6656f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.563628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013031/manifest.json
observed 49fa5378cf2fc0e496bc43b39a8a2430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.544250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013031/publication.md
observed 19f590d42b7fd7f1260e619018664a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.525605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013031/publication.txt
observed 05233a7d0d433ac4ca76ccb467cf9798...
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.