OpenTechnical

OT-2026-000026305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000026305) never changes.

Identity and time

Publication numberOT-2026-000026305 · never reused
Internal UUID01a0ae71-f4a6-7a2f-80ff-49f1e380e665 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026305
StatusPUBLIC

Content hashes

Canonical text4d7cffb5535e277d04e58e5d16640a682d7af93b9439d20dbf1e91c6779c242f
Markdown232e84a91d98ea931418788a06c87efb840452815acfbef8e3a3b2de681cccfb
PDF
Publication page6547a058bc4198bec7205dcecce904655d53c0d5d6c58052f1d67d21c9568c73
Manifest5ef43d8f8607943043c4d305dfc1a78a0da17521a77f7a43f4592d4b6e594954

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
Signature/ez6ncd6+Sefcmv4mIuTWQ4ShC7aA8n2vuHou5VucOErHUDlO2XTb6OkcW5GlciqWkY4KhdxLsLT2Iv2lUKaAw==
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

2026-09-17T11:44:15.417595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026305
observed 6547a058bc4198bec7205dcecce90465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.399889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026305/manifest.json
observed 5ef43d8f8607943043c4d305dfc1a78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.382416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026305/publication.md
observed 232e84a91d98ea931418788a06c87efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.363749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026305/publication.txt
observed 4d7cffb5535e277d04e58e5d16640a68...
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.