OpenTechnical

OT-2026-000026969

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000026969) never changes.

Identity and time

Publication numberOT-2026-000026969 · never reused
Internal UUID01a0ae72-3453-7202-983f-000841acc373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026969
StatusPUBLIC

Content hashes

Canonical text2efbe4d939bf6f2513a6085e2a74ddba13735d5718f58a3516e2b6b22e204ca0
Markdown2d7badf1dfbfe849481dd897a831ab779b19930b2408c6412ca23327971a62e4
PDF
Publication pagea7118233a5a306f2e806b16d8c9e59f3f62fa41c738ebbb080b21469c05290e3
Manifesta61cbc709aea7f4b6b1407d87156679fd137d4c0a49cb0806369a84fa5f5a845

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
SignaturexoGW2rEP12RmRSkrzbmXa8W6lBLYRKxW95mqYVANjnYMN+uOMV0PMgFZW9hP1WW9zadUXisymgbLiG8gZ2QXBg==
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

2026-09-17T11:43:35.549470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026969
observed a7118233a5a306f2e806b16d8c9e59f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.532322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026969/manifest.json
observed a61cbc709aea7f4b6b1407d87156679f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.514411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026969/publication.md
observed 2d7badf1dfbfe849481dd897a831ab77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.495931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026969/publication.txt
observed 2efbe4d939bf6f2513a6085e2a74ddba...
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.