OpenTechnical

OT-2026-000048989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000048989) never changes.

Identity and time

Publication numberOT-2026-000048989 · never reused
Internal UUID01a0ae81-134c-7642-990f-42bdb835975a · 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-2026-000048989
StatusPUBLIC

Content hashes

Canonical text53476c25b5f24d9413e2fc0f5417359872c1db3a943b8acb766f4c83fdce5cf3
Markdownd53e803f0195b65ef26b74b5188307ad5b9cd1d7cf5000b4ec24cd1bad3cc71b
PDF
Publication page221091f7a23abe1c3c83e59eed116aac6e510bc9eb3af174bdb72924c016aafd
Manifestbb74759dabd7b64a7dd8d1a4b2e0efc914bd0b1cc612de2315c569bd72a47250

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
SignaturepbIy8sPwlR6NYt81jvmE2zT7nawxduUnKh3PfMLGAJplZRonUvNRQKfxAtLwHUpvibxc8HOxpvIj5ZQwVZcGCA==
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

2026-09-17T11:03:11.741212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048989
observed 221091f7a23abe1c3c83e59eed116aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.722546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048989/manifest.json
observed bb74759dabd7b64a7dd8d1a4b2e0efc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.703675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048989/publication.md
observed d53e803f0195b65ef26b74b5188307ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.684141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048989/publication.txt
observed 53476c25b5f24d9413e2fc0f54173598...
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.