OpenTechnical

OT-2026-000058750

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000058750) never changes.

Identity and time

Publication numberOT-2026-000058750 · never reused
Internal UUID01a0ae89-479c-7765-840b-1454d77061d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058750
StatusPUBLIC

Content hashes

Canonical texte70ed4f92b56f230a9df6f77704301811b0e604ddd05b2a75fc99ae269aa3423
Markdown2065125e4ff0d87e1e04e3c56ba269ab738fb9055c59955d4ac80fd756cfafa2
PDF
Publication page33f0695e8252be22c51d04d0bf471f5a7cff3ff5bd364506f7e9110e7a12144c
Manifestabc2d5953357809ee52c6c5f0a47359a8de40291ca18f177db6e8515ffa1aaac

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
SignatureozsTnh8QojsG6o0Ex7FOlQ4hdW16TrWJ+pb6OwtQwfdyWkmB13EOu1K1v6MrM2nsevWGnl21tj+Pn60Rt0eoAQ==
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

2026-09-17T10:46:15.313312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058750
observed 33f0695e8252be22c51d04d0bf471f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.294950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058750/manifest.json
observed abc2d5953357809ee52c6c5f0a47359a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.270563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058750/publication.md
observed 2065125e4ff0d87e1e04e3c56ba269ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.252633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058750/publication.txt
observed e70ed4f92b56f230a9df6f7770430181...
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.