OpenTechnical

OT-2026-000044681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000044681) never changes.

Identity and time

Publication numberOT-2026-000044681 · never reused
Internal UUID01a0ae7c-39da-74b0-805a-007a76347d2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044681
StatusPUBLIC

Content hashes

Canonical text0f17a49e2226fbeb6d30ca3c8586270c2565521231235db89a39f2911d7242a5
Markdownc569aac0d1382f8f2491ed8a5df616d48f3faeaee93efbe88cccd6a223902e6f
PDF
Publication pageb3c8ac6348d735bcd0ed0b4a1f4f54ad34c43d437fe3aa0515d75c0087021a3a
Manifest3bf584557f756d7f8fbec88726b1b520008a9793c7a28797e5c337b654ceae8e

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
SignaturekrB2xlwGWEBr6giji/5bRr7Kxx8olPxm85j3HzEw03c3n/SGkM5O4eq8M3VcJdZPIdoFsDbk8k5LJbA9RtCyDA==
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

2026-09-17T11:11:56.107407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044681
observed b3c8ac6348d735bcd0ed0b4a1f4f54ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.088083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044681/manifest.json
observed 3bf584557f756d7f8fbec88726b1b520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.069294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044681/publication.md
observed c569aac0d1382f8f2491ed8a5df616d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.050186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044681/publication.txt
observed 0f17a49e2226fbeb6d30ca3c8586270c...
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.