OpenTechnical

OT-2026-000044532

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-2026-000044532) never changes.

Identity and time

Publication numberOT-2026-000044532 · never reused
Internal UUID01a0ae7c-39d8-7873-a962-9be510f9bd04 · 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-2026-000044532
StatusPUBLIC

Content hashes

Canonical textb0e1736556a29e2a6ade09f5fd7e6e83e40eb50f5ac82ea4e92680f5c8f23d18
Markdown86f70fb2353d8e92da22d997a99b050ec3e11af507dd5812b9fcf4517b706b2d
PDF
Publication page86303ddacfc093219aac0f9f2a83687cdede42295b22e65b01070ee7a0618ad7
Manifeste5cdd0a110a93ba68dbba568e45adb4dee6441469bafdac1533a65e79a0cf1ec

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
Signature9uEBiW6ktc+XIMWNCcxXZqAHvKxlcPxbmL3U4kPkz2+TsLP8JpRIqBBGekWGu7lAHkcbbJgOsCVcsEbP3YufDQ==
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

2026-09-17T11:11:42.774327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044532
observed 86303ddacfc093219aac0f9f2a83687c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.737822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044532/manifest.json
observed e5cdd0a110a93ba68dbba568e45adb4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.718525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044532/publication.md
observed 86f70fb2353d8e92da22d997a99b050e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.660231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044532/publication.txt
observed b0e1736556a29e2a6ade09f5fd7e6e83...
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.