OpenTechnical

OT-2026-000081561

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, sustained blow-off before 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-2026-000081561) never changes.

Identity and time

Publication numberOT-2026-000081561 · never reused
Internal UUID01a0ae97-0f71-754a-81cd-2f97ce976e86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081561
StatusPUBLIC

Content hashes

Canonical text70cb9262a21a4403ba02ee1f6afd1eabfad40855031adabb9ca8638e0cb478cc
Markdown642a391798216ef4acb8ebc6233f941beefd89929d6de7e5a810fcaa35d50f09
PDF
Publication page00e149b398e8fcc8d3889a7d1b226067a4ba741c9da8ef70eb54c04fa06dcea3
Manifest03bfc7f98e80806f30f917f3a705bfe79eb6e9953153b3266a648b2ae989e0c7

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
SignaturelR3+3BhyNtxN/EEjcVFgIRQap0ZO3X0O+29XYaCVQjncjbTrF5FpeGhareJK3AGrUmL7D/PVHU5Nhc1TME9vCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:35.347456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081561
observed 00e149b398e8fcc8d3889a7d1b226067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.330728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081561/manifest.json
observed 03bfc7f98e80806f30f917f3a705bfe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.314416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081561/publication.md
observed 642a391798216ef4acb8ebc6233f941b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.297466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081561/publication.txt
observed 70cb9262a21a4403ba02ee1f6afd1eab...
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.