OpenTechnical

OT-2026-000049188

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000049188) never changes.

Identity and time

Publication numberOT-2026-000049188 · never reused
Internal UUID01a0ae81-134e-762d-9ce8-70755ade301d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049188
StatusPUBLIC

Content hashes

Canonical textcc84e2c7bd90167b7b94911f76a31faf51b12e1db27db97afd6a37bf9beea770
Markdown6a75fae6042955c1332f4ff4976a0cf5f2b892eeb8bddc3774b7097ca25fb3fe
PDF
Publication pagefb138bad942b050b8a52c44e1eb2b71dad3cb5431a74eec53e24df60b9e232cc
Manifest061c77d83e715d86984be5d640248c5f4506d6812553ac9b1928b6352e83c698

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
SignatureWJ/5Psf1agJRUU9VzNqzWgEBjgWMQDVdX7hWSvBf/94C30Y8whgfodR3PN5gT/gd/tj6VjImMP0D52vqEWoWBw==
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

2026-09-17T11:03:59.786748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049188
observed fb138bad942b050b8a52c44e1eb2b71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.766728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049188/manifest.json
observed 061c77d83e715d86984be5d640248c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.743084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049188/publication.md
observed 6a75fae6042955c1332f4ff4976a0cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.722010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049188/publication.txt
observed cc84e2c7bd90167b7b94911f76a31faf...
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.