OpenTechnical

OT-2026-000074264

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000074264) never changes.

Identity and time

Publication numberOT-2026-000074264 · never reused
Internal UUID01a0ae93-7178-71bb-8cad-67a927309fb9 · 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-2026-000074264
StatusPUBLIC

Content hashes

Canonical text4cb9b464d065e0c0d5f5439c4fe6caddc1caa012547e18acc1e5aed1609339e4
Markdownb482b3a2ed4acb4a91eb063a08d38307468f7df041ce36aa9161119f7c05abd0
PDF
Publication page90692635209ee3137c87503e6cf6319a921b174b1e95e7adc59dc2cb09976751
Manifestdc5cd81bff659601e4f17b1faaecfbbf1b425c0e4c1da933abb93e1b51403abe

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
Signature5W5+R19BdQDkO1FVpFV5FXCYcNRH1uqx7D7ZcKaUJohXwsOS1w8k1c/d3hA/gXD65OEEkLrQhWnbykFA7XnYAg==
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

2026-09-17T10:19:09.974074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074264
observed 90692635209ee3137c87503e6cf6319a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.955089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074264/manifest.json
observed dc5cd81bff659601e4f17b1faaecfbbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.936547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074264/publication.md
observed b482b3a2ed4acb4a91eb063a08d38307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.918756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074264/publication.txt
observed 4cb9b464d065e0c0d5f5439c4fe6cadd...
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.