OpenTechnical

OT-2026-000059105

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000059105) never changes.

Identity and time

Publication numberOT-2026-000059105 · never reused
Internal UUID01a0ae89-8611-7c77-9c0c-c5aa5a1baab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059105
StatusPUBLIC

Content hashes

Canonical text7d04f3db1312d5a0179b09c4a5dbc1ea7e9a951422b0ac497cce7ad72108d904
Markdown1bea09d9e08bf869760fb041317c7f6a85decdd8e26c20dbe5db5d29719f6cc1
PDF
Publication page9222735db65aaa6e583e2417b5c13e16d21f59eb6461f820d7237bfc775ac97d
Manifest1a6a2e90b023f82eaaae17a981508ba0e4838007dd78fed8a0623167c4d45d82

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
Signature6C1x9R7SWZqV8GFeoJCT94FaSbR3gtF/yz1MZEFOzFwm35f5XF6Mw/PmKPYvLEkWxTOlqzRHpe313FNrCqxbAA==
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

2026-09-17T10:44:56.782943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059105
observed 9222735db65aaa6e583e2417b5c13e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:56.766311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059105/manifest.json
observed 1a6a2e90b023f82eaaae17a981508ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:56.749093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059105/publication.md
observed 1bea09d9e08bf869760fb041317c7f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:56.731759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059105/publication.txt
observed 7d04f3db1312d5a0179b09c4a5dbc1ea...
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.