OpenTechnical

OT-2026-000033777

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000033777) never changes.

Identity and time

Publication numberOT-2026-000033777 · never reused
Internal UUID01a0ae75-a391-7f0c-8874-b3dc1ce56e8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033777
StatusPUBLIC

Content hashes

Canonical text6940e623bcbcff2dc78841d8ffffdb1e0e962f8622daa5f9cb522014ee3c278d
Markdown40a847ecbc9a3201e13c8ef1d965cbc1e0e04a05ebb09d6abeec5bc754efbd1b
PDF
Publication page8476c3cd2ecf2bc519924ff2683c96340bcb708d9c4e84bf185a64cfa1a7a596
Manifest6582f7b254598c22b1aed111693473e69db9fa3bb2c78f8b73d7c7f8974c0d37

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
Signature+EaSTr4ABwwcr5OKwL7Hb3GAWg/X6E9wAZlM8Qykj6VWiY5ZkHbpCqZN3Ah+DlAhbXXyJayKdjW34SvImW6IBw==
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

2026-09-17T11:31:48.815595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033777
observed 8476c3cd2ecf2bc519924ff2683c9634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.798327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033777/manifest.json
observed 6582f7b254598c22b1aed111693473e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.776875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033777/publication.md
observed 40a847ecbc9a3201e13c8ef1d965cbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.752077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033777/publication.txt
observed 6940e623bcbcff2dc78841d8ffffdb1e...
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.