OpenTechnical

OT-2026-000054986

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054986) never changes.

Identity and time

Publication numberOT-2026-000054986 · never reused
Internal UUID01a0ae86-5e80-7e69-8b4b-f3cdd1ebe0c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054986
StatusPUBLIC

Content hashes

Canonical text8156a620d4f9e360ce66573d4315dae6cc15acaae82634919444a85533141c9a
Markdown39a944071f69b5d1a47e77ee89103e5dc7a881bd8c7f6a731cfb8b000c3c507f
PDF
Publication pagef9a5ea7c92bb0d8b34018791b1201b34459219cbac8d98cb56f56db39becd4a3
Manifest89890788a8cf266aea8843fa6b04dc1e0ccc4c915b1d6ad42fce696b788f8355

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
SignaturetAGjhkDxh9yCabKYxaEp4dWJCIYESsOe8ryYl95mwUmMmVdF9wVzOlbDLEAaII7wv05ZWNh60PnDCIo0w9NVCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:06.671633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054986
observed f9a5ea7c92bb0d8b34018791b1201b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:06.655140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054986/manifest.json
observed 89890788a8cf266aea8843fa6b04dc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:06.637165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054986/publication.md
observed 39a944071f69b5d1a47e77ee89103e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:06.619936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054986/publication.txt
observed 8156a620d4f9e360ce66573d4315dae6...
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.