OpenTechnical

OT-2026-000074135

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000074135) never changes.

Identity and time

Publication numberOT-2026-000074135 · never reused
Internal UUID01a0ae93-7177-7175-8298-40749cca32ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074135
StatusPUBLIC

Content hashes

Canonical textc1493b5688d0b24b0ef330b5cc54f7ffcbdb08bd423da976b6d6e8730bb9b00c
Markdown75986545d3794def5f4839214a806d59372f63e60e31cb612232080eb98f846e
PDF
Publication page254de6a1f45c820053e5988c1e8c1c0b4777a01ea3dde972e357f368e183e1c5
Manifest1b7f225f096cea6bba7ea4501276149f74991061fc29e5fb4c5e49d69eda1cfe

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
SignaturepykGLuTIh+nlWG97Vaisg45CQIySt/UzmgO0hHwCQg9YPXLJ0I27DCzDKOVKVc+dxjgDUStbWQcqD0XdIUUoDg==
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

2026-09-17T10:18:58.690223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074135
observed 254de6a1f45c820053e5988c1e8c1c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.672649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074135/manifest.json
observed 1b7f225f096cea6bba7ea4501276149f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.654578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074135/publication.md
observed 75986545d3794def5f4839214a806d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.596847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074135/publication.txt
observed c1493b5688d0b24b0ef330b5cc54f7ff...
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.