OpenTechnical

OT-2026-000048072

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000048072) never changes.

Identity and time

Publication numberOT-2026-000048072 · never reused
Internal UUID01a0ae7f-c423-7d7e-8d43-05a4c2c7b469 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048072
StatusPUBLIC

Content hashes

Canonical textbd9a7f6d6061507541c3b49f7cdc17cae99e055536ff7ef3dcec39bac9bb2d6b
Markdown16abd3c8c8e5f30b0618d894f9d0330ff9aaabda44bc0703fad0ee075757e985
PDF
Publication page0d85f27ffc48dae86e240b4d35ccbe4af411863c37da7dd0d4a96ad3bf96ff77
Manifestc0e94f997f54dd3acdee9abbaa2073f2946a565b0b63e331cc172035ff353051

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
SignatureSAX3EGDNavueJ4+WfHHcai3LQnAhz8uSWqD21MKcPGbqQItHqtUfD/jRnIHLZvPAUOnCY/tCWk3FyiIYp5Q9CA==
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

2026-09-17T11:06:05.250692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048072
observed 0d85f27ffc48dae86e240b4d35ccbe4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.233707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048072/manifest.json
observed c0e94f997f54dd3acdee9abbaa2073f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.215499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048072/publication.md
observed 16abd3c8c8e5f30b0618d894f9d0330f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.197902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048072/publication.txt
observed bd9a7f6d6061507541c3b49f7cdc17ca...
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.