OpenTechnical

OT-2026-000022530

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000022530) never changes.

Identity and time

Publication numberOT-2026-000022530 · never reused
Internal UUID01a0ae6f-f4fe-7a63-ac99-ece3ce169aab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022530
StatusPUBLIC

Content hashes

Canonical text129ca80f668595dffcef3a3e581ba3b3cd1173fc51b72435cd19d874d6b5c1b9
Markdown7d1ff06b48cd408cb5a82fcb872ba0be3855a7cd5820835c39b1b0c9717a7700
PDF
Publication page2ac121c444dac520d4c73db2e937898fe0ed9f74a94e3b2a88e9804121a6c5a4
Manifest384ea97dedd50a9f4df78f14623705dc9c56a6aa075682e8c513537f6ce90a45

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
SignatureFXJukKbHbNVBN8xQFp6yXvr3kXTu39VdX8wjy3tHceeg/4ppUxNlB+0+r3/i5yU4NvKF7L++bZmFlnD//NOzDg==
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

2026-09-17T11:53:57.803080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022530
observed 2ac121c444dac520d4c73db2e937898f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.784855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022530/manifest.json
observed 384ea97dedd50a9f4df78f14623705dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.767426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022530/publication.md
observed 7d1ff06b48cd408cb5a82fcb872ba0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.749196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022530/publication.txt
observed 129ca80f668595dffcef3a3e581ba3b3...
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.