OpenTechnical

OT-2026-000050885

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000050885) never changes.

Identity and time

Publication numberOT-2026-000050885 · never reused
Internal UUID01a0ae82-c7b3-7dc9-afad-2658228be3cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050885
StatusPUBLIC

Content hashes

Canonical textadbf767b9fe2c4176dee6a4e980814a23616e1a61cea5fa964e2e8778d0c4ae6
Markdown77632dee11f18898a3010ad557b93a1cba6ad60b87ee0f4b293f2a9d4ecf6092
PDF
Publication pageedde85b8ac95af5c60419f2f3af4e15e2c7f74e0ce45d105eebceb907f6d208b
Manifestfa99bb22acfa7eecf4369622fd468ddf5bac0a37953c144f37118c354e2b2518

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
SignaturetaDSbw9S+r60IF5e+8DVgf5GkLqeRJ+FTMme+Uf/kiNINYn2iLNIKJi2rNWZdKiAQSJH14YHZePeVutbDG8pDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:37.227880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885
observed edde85b8ac95af5c60419f2f3af4e15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.205302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885/manifest.json
observed fa99bb22acfa7eecf4369622fd468ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.183242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885/publication.md
observed 77632dee11f18898a3010ad557b93a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.159601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885/publication.txt
observed adbf767b9fe2c4176dee6a4e980814a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.121617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885
observed edde85b8ac95af5c60419f2f3af4e15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.088049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885/manifest.json
observed fa99bb22acfa7eecf4369622fd468ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.064364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885/publication.md
observed 77632dee11f18898a3010ad557b93a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.044908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050885/publication.txt
observed adbf767b9fe2c4176dee6a4e980814a2...
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.