OpenTechnical

OT-2026-000017487

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000017487) never changes.

Identity and time

Publication numberOT-2026-000017487 · never reused
Internal UUID01a0ae6e-76c9-77ab-8f71-63ec6e1ec019 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017487
StatusPUBLIC

Content hashes

Canonical text4d6844a5eb8ccbfff5998d1fcf628fdd5a9067e01518f14b7dfc1ddce9ceb08e
Markdown6d9f8d528ed4c509b40a174dd94919751ac5645ea080e7719e570006027e5040
PDF
Publication pagecc80ebe4915907d93abd27415327ebe7a4f4131510b075f85287ee300b438b34
Manifest8b70413611ae9a1a5c252b63c74f740f1d1a1f0cc19451443c9d5136b759c5ce

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
Signature/egn5s/qcAAvaFhbWcT9gF4mrL/bcfsBnVgTZnq5dfPHFaRJ2bnlgRDxd8I+NBUz8KkfJ9YIX14rUn/KKE4cBg==
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

2026-09-17T12:02:38.219298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017487
observed cc80ebe4915907d93abd27415327ebe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.199190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017487/manifest.json
observed 8b70413611ae9a1a5c252b63c74f740f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.181869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017487/publication.md
observed 6d9f8d528ed4c509b40a174dd9491975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.164969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017487/publication.txt
observed 4d6844a5eb8ccbfff5998d1fcf628fdd...
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.