OpenTechnical

OT-2026-000015129

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000015129) never changes.

Identity and time

Publication numberOT-2026-000015129 · never reused
Internal UUID01a0ae6d-ef47-7d7e-a1c0-ffde1988674d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015129
StatusPUBLIC

Content hashes

Canonical textd98e630d5ed4b445f19f22c09d87c86715a24577b97c25d15c0061d9991a8437
Markdownc79c13f0ae85c48892cb2ec8dec212e6a4e334d5e169857d2fd8e1537ccd1c46
PDF
Publication page00e10b0c0622501326737254eba08cf2d2b0d3e10d40ded66f1cccb1aa0b097e
Manifest9689764450eea99a23b2669d3f54b0e99307a77737041ca7af5311e92794c1f5

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
SignatureGRtKEkTt9xaLFaxDVXpZ0NsIhUb0ySQgVLHNoNIVUbgO0lk/QZZV6xDZwFiqrhvcklWEdEqtEydXOZwYRBlDBA==
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

2026-09-17T12:05:43.606663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015129
observed 00e10b0c0622501326737254eba08cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.585929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015129/manifest.json
observed 9689764450eea99a23b2669d3f54b0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.566521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015129/publication.md
observed c79c13f0ae85c48892cb2ec8dec212e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.547029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015129/publication.txt
observed d98e630d5ed4b445f19f22c09d87c867...
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.