OpenTechnical

OT-2026-000034358

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000034358) never changes.

Identity and time

Publication numberOT-2026-000034358 · never reused
Internal UUID01a0ae75-df0e-7b31-bae2-b9fbb78d6488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034358
StatusPUBLIC

Content hashes

Canonical text57ddae334634f970e873714d9f9da8287d8b19b1435b32ef7bd98ed210d17bc0
Markdown19bea025b0abef596a6b11f617c94ef2492ed13e268172c71b9690f6225876d3
PDF
Publication page4dc78f79276eb9c72fbe33b6e1c344469bef198c56534535ec1c520e96e4220c
Manifest13125e32951f42da9564de5907ca8e1462bb18630992d7f1dc59dd099befca9e

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
Signature93fOlwzFxyBWL4FnwLrgtLUy1rmUrsJnhvqnVeeV7KD1JtRmLI4yQ5CSLMeYg7gBPBxEejIiLI3lNCdwoaAOCQ==
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

2026-09-17T11:31:03.743880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034358
observed 4dc78f79276eb9c72fbe33b6e1c34446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.727235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034358/manifest.json
observed 13125e32951f42da9564de5907ca8e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.707487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034358/publication.md
observed 19bea025b0abef596a6b11f617c94ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.685176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034358/publication.txt
observed 57ddae334634f970e873714d9f9da828...
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.