OpenTechnical

OT-2026-000058325

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000058325) never changes.

Identity and time

Publication numberOT-2026-000058325 · never reused
Internal UUID01a0ae88-f398-7bea-985f-3cdb123e5426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058325
StatusPUBLIC

Content hashes

Canonical text54b2b7f35e550b4f1beeff1c5feb95994c2b8610b2fc89977d4aa5f2888f5652
Markdown206d7183d07e836f12700f7211bc8d33ec90360ba9aca7f94d48449daa13037c
PDF
Publication pagee9664233cd56e9b130ef28ed4d9051f37e4069e6a53106c8863b6a553351a11b
Manifest4eccaf10f9b057d99f63b4b654b08801282991f71e209508257a37fb067c79d7

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
Signature6GWWgx3fxlQv5O8YF+gLPTqv4rd8IZJKM+uiLDm4q0Kjm3pT1QRhEDS2eoPbNg0ZWm+FuRDvnhTkl5jpcAj/Dg==
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...

Independent retrieval

2026-09-17T10:46:43.922766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058325
observed e9664233cd56e9b130ef28ed4d9051f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.906271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058325/manifest.json
observed 4eccaf10f9b057d99f63b4b654b08801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.889711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058325/publication.md
observed 206d7183d07e836f12700f7211bc8d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.872848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058325/publication.txt
observed 54b2b7f35e550b4f1beeff1c5feb9599...
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.