OpenTechnical

OT-2026-000032285

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000032285) never changes.

Identity and time

Publication numberOT-2026-000032285 · never reused
Internal UUID01a0ae75-106d-7d4d-9de7-2010b9e00659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032285
StatusPUBLIC

Content hashes

Canonical text44cc5d6d14adab73080c95b71e1d6f24f6764cb40a90b9282b5df3e05ee00146
Markdownce7d59f3be58bc7bdfbdd1308b386b0143cce7a8436a3ec7cd00446c2ef95464
PDF
Publication pagebd56480a96904eea6b0cca7195f1d6a713bc7fb767e5f1f841bc31bf85d0a088
Manifestbb7ef00ea12a1380fc688056d157cd63c9d3f0752eb991fd32492b1a12140954

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
SignaturenZ+p/TK8QYRFQzPpL6+FqI9WJf7iuKcIMWX9EuXdkRLnzWPw+8C3vx+RsYy+Gy/nPbArE5yhoYBD0Bdkc6zhCw==
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

2026-09-17T11:33:06.555839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032285
observed bd56480a96904eea6b0cca7195f1d6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.537764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032285/manifest.json
observed bb7ef00ea12a1380fc688056d157cd63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.516015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032285/publication.md
observed ce7d59f3be58bc7bdfbdd1308b386b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.489233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032285/publication.txt
observed 44cc5d6d14adab73080c95b71e1d6f24...
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.