OpenTechnical

OT-2026-000043138

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000043138) never changes.

Identity and time

Publication numberOT-2026-000043138 · never reused
Internal UUID01a0ae7b-327a-7526-b8ce-c1b2e72f7293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043138
StatusPUBLIC

Content hashes

Canonical text1e21a8bc48d5835c1b15a296110f7c69dface13b7d0943a57d3a0de665d5e46d
Markdown7780dfc29d57804fc87aeeb82634308227a580fe8b748a7f9e72fd5bfb182dab
PDF
Publication page9f319414eec0e0cce59595a10c25253a6c1fd3ef3fa00e772daba51ba43c3799
Manifestf23ed1162f32d378e1bc0f60173c3a09a95ef97fa167de8c0f7aed0396cdbe6d

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
Signaturep607YK1k5xr6n7ddR6z+trh68DqGr93HGt3HEuwyul7qRcJ7Sw60b99UqR6OrreFqdaieGTven0iMOYtHtAlBw==
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

2026-09-17T11:13:34.504026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043138
observed 9f319414eec0e0cce59595a10c25253a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.485228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043138/manifest.json
observed f23ed1162f32d378e1bc0f60173c3a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.465537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043138/publication.md
observed 7780dfc29d57804fc87aeeb826343082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.446624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043138/publication.txt
observed 1e21a8bc48d5835c1b15a296110f7c69...
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.