OpenTechnical

OT-2026-000063630

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000063630) never changes.

Identity and time

Publication numberOT-2026-000063630 · never reused
Internal UUID01a0ae8c-f945-772f-8720-cf89a7ba46b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063630
StatusPUBLIC

Content hashes

Canonical textdb74e58ace683cc9706c98c632f2f732d10898f214cdde1e7256b015b7b5d584
Markdown9fd9f32e53081aa0a4a32dc21f5b04017ce9d739084edb38151e1836c2ad53d0
PDF
Publication page6d2db3240b46a08194c5899a12aff44395d8b582afec27642a328f607ebd6b24
Manifeste5b7dc83bad22dfb7ca9d94cacb821b5922361bc3a582a0444519053451bc3e1

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
SignatureG+MDm1hnphat93WpF1Jucug2aUv2eCcpL0xAdYLCt7EgUW3mndzjwy5+HR+bgY6lWAEELeER92mEVUrzsYHCAA==
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

2026-09-17T10:37:43.740506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063630
observed 6d2db3240b46a08194c5899a12aff443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:43.718211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063630/manifest.json
observed e5b7dc83bad22dfb7ca9d94cacb821b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:43.602329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063630/publication.md
observed 9fd9f32e53081aa0a4a32dc21f5b0401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:39.522524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063630/publication.txt
observed db74e58ace683cc9706c98c632f2f732...
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.