OpenTechnical

OT-2026-000015487

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000015487) never changes.

Identity and time

Publication numberOT-2026-000015487 · never reused
Internal UUID01a0ae6d-ef4a-7c02-b7b0-8ac431e8b9a7 · 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-2026-000015487
StatusPUBLIC

Content hashes

Canonical text7433af09ad74ff26aec2b756e99620c8d227c41c6264dd3b345a4c24a686d41f
Markdown8fcd178be1188c3028c9da51d82d8abaa835c7b362ce82ae1f30dae7cbc0a844
PDF
Publication pagea65acaf954d00f443bb98010e4fcc1a4b249ce740ee2dea6c720bb857f278142
Manifestcc8b89dd1c249153422d16732e93f5a85095a02d124a1210fae5667a2a27f086

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
Signature6g1t3TvohfvuEF8GmBUcPeDO7g6HgDzQkXb4Ye2pAfUnh3ol/YkV3RrqKni9T9bYbIxdKNSuGas9Nu+rq4gpCg==
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

2026-09-17T12:06:14.997808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015487
observed a65acaf954d00f443bb98010e4fcc1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.979000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015487/manifest.json
observed cc8b89dd1c249153422d16732e93f5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.957210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015487/publication.md
observed 8fcd178be1188c3028c9da51d82d8aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.936856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015487/publication.txt
observed 7433af09ad74ff26aec2b756e99620c8...
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.