OpenTechnical

OT-2026-000066117

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000066117) never changes.

Identity and time

Publication numberOT-2026-000066117 · never reused
Internal UUID01a0ae8e-8dc3-7e56-82a5-92e9b49c3865 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066117
StatusPUBLIC

Content hashes

Canonical text878293c31e560fdb4ea9ffb3f455cd37c2550268bf9b8ca42c054c928469e07b
Markdown8d21bb23caeddb34031ffada28db355d619f54c36fafa1f4c4fa55d670912961
PDF
Publication page2386445b4f55317b077e5778bc6ff4c91bd91e47b18ada01c5260c1eb4f1a1da
Manifesta233cb1177fad864a037020cbebc1d44af4708899ef751eab3ebe51ab5924ddd

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
Signaturexb4CQjjWuiNgKH1yipuUgWAVr+qA76YrCW0zjbxBM36nKZUSwLCB2FiQHxp9QttpCMKXifyOBaiIJ6H+OvXfCw==
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

2026-09-17T08:50:51.072116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066117
observed 2386445b4f55317b077e5778bc6ff4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:51.038913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066117/manifest.json
observed a233cb1177fad864a037020cbebc1d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:51.016712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066117/publication.md
observed 8d21bb23caeddb34031ffada28db355d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:50.989604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066117/publication.txt
observed 878293c31e560fdb4ea9ffb3f455cd37...
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.