OpenTechnical

OT-2026-000045167

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045167) never changes.

Identity and time

Publication numberOT-2026-000045167 · never reused
Internal UUID01a0ae7c-f769-7418-ad7c-23feebbaa1d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045167
StatusPUBLIC

Content hashes

Canonical text1a4a26fd436479b82078d4a0c26ce39ce3fc25d59300133590785f9ec081dc8a
Markdowne74874210bc89f3af7a15c25bc157c92df26d05ddd22a90ce55547fd8fc775a7
PDF
Publication pageee7661e13ae14a4441b5510a949a1bdc06f72cd1a964e25d1e0d69f522b72023
Manifest05888ab3e6b4a2536071ea1ce8b720fcc7f32f1e85bee107a9ee4aa457e07761

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
Signature5rKGNHhBFooq3Ax+jWahJIkMkQsXgps1se1F+ESbOdYP+65PlCXjtQKDyPcCgvPHFvk/fNYCGsgZlGZdmPXQCQ==
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

2026-09-17T11:10:19.748195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045167
observed ee7661e13ae14a4441b5510a949a1bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.727010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045167/manifest.json
observed 05888ab3e6b4a2536071ea1ce8b720fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.709482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045167/publication.md
observed e74874210bc89f3af7a15c25bc157c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.690473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045167/publication.txt
observed 1a4a26fd436479b82078d4a0c26ce39c...
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.