OpenTechnical

OT-2026-000038494

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000038494) never changes.

Identity and time

Publication numberOT-2026-000038494 · never reused
Internal UUID01a0ae78-2d53-7d09-9bfd-e575ac36347e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038494
StatusPUBLIC

Content hashes

Canonical texte277e742b3ca74fc7224d868508e639943ecfc407ae5a6e8b21729be73906150
Markdown7bee2d1ee037f998a3e5bcf67949e1c302e5807edebaf8a823c930f40f09d5e0
PDF
Publication pageceb6e07383c7b38b2768cf4b94bb4be01fe4b7064d62ef1ab2efd64ffd0b3e00
Manifesta41650e116a26eaf06ce2ba4455fd17e2827021542135a982ea5f6688ec0c1b7

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/hrJ0P5bFKVf4owyp7hc3XF/XUl8echrT3QOsSb+xVl+/5X0sn9yf+0t7SEHEXGKBi0SpZ3qK1rRUH4Z2wz5DQ==
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

2026-09-17T11:22:44.261586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038494
observed ceb6e07383c7b38b2768cf4b94bb4be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.242547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038494/manifest.json
observed a41650e116a26eaf06ce2ba4455fd17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.223000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038494/publication.md
observed 7bee2d1ee037f998a3e5bcf67949e1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.204333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038494/publication.txt
observed e277e742b3ca74fc7224d868508e6399...
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.