OpenTechnical

OT-2026-000057538

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000057538) never changes.

Identity and time

Publication numberOT-2026-000057538 · never reused
Internal UUID01a0ae88-2693-731f-ae7f-0b40740d7dce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057538
StatusPUBLIC

Content hashes

Canonical textf403655b10e4d730bd0d0d9dcd0ba8be79611d071c98fd84bed0a2d9ec3aae1e
Markdown8cd8331a68ce28d5595e6d9674ea654dad7f347602bfadb0aa845e70ee5240e9
PDF
Publication pagef2027b9ed36f0c21810ca3c652e87c5829d5a2db2c5b623b7b0f9c089f7cec8a
Manifest5686b0f6053dbe7de88c2fd3f14a2bf836f398bfd2183da2381d7af77342bba3

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
SignatureQzB27tN6wMFVxPg/ADnwPIsjwXakMa1q1JcTCA0qFkksKfcMJx/IPV0djYqp3D7dcsTgT/+kba9tzWcdqGu0Dg==
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

2026-09-17T10:48:04.559145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057538
observed f2027b9ed36f0c21810ca3c652e87c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.541704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057538/manifest.json
observed 5686b0f6053dbe7de88c2fd3f14a2bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.524344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057538/publication.md
observed 8cd8331a68ce28d5595e6d9674ea654d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.506393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057538/publication.txt
observed f403655b10e4d730bd0d0d9dcd0ba8be...
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.