OpenTechnical

OT-2026-000044556

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000044556) never changes.

Identity and time

Publication numberOT-2026-000044556 · never reused
Internal UUID01a0ae7c-39d9-7345-b82d-abd0fc565f9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044556
StatusPUBLIC

Content hashes

Canonical text12c98024ba1c7c68c5337e7189e56d571b5a37604436cfd6e5178d6eb5ecc96d
Markdownc179bf27069e7350a7d6da970423cf5e21f6b1f0911e3c384f3222baa10f75b7
PDF
Publication page060959d1f8237fe5ca8b2a26f352a1e10a560ad3351ca5d7e3cbc47634cc8912
Manifest560d195d8e058fe5a748a0dfc2c68d2086b737c66f1f19e69881d16c07c57d10

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
SignatureDNDsOTyEMTbkQ0+UKjVYqILyyVLn1QqI/G2nPH7L5p293uGcSERBjUQoH/dFQvL3nPssZ1e/qClc5JPuSREyDQ==
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

2026-09-17T11:11:44.786557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044556
observed 060959d1f8237fe5ca8b2a26f352a1e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.767894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044556/manifest.json
observed 560d195d8e058fe5a748a0dfc2c68d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.749677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044556/publication.md
observed c179bf27069e7350a7d6da970423cf5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.730091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044556/publication.txt
observed 12c98024ba1c7c68c5337e7189e56d57...
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.