OpenTechnical

OT-2026-000061542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000061542) never changes.

Identity and time

Publication numberOT-2026-000061542 · never reused
Internal UUID01a0ae8b-7b44-79c9-902a-c46607c87750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061542
StatusPUBLIC

Content hashes

Canonical text347d56b5fff696fa14b19d84d0ccecea3ccc9d33e7faaa47462c431380442058
Markdown3142247aeec5ef03957cbdfe0ef4e78cc29caa473bb322f0941ca5f61145361a
PDF
Publication page98eb4f9277984aa9aa1146f26563820adb87defd7f1f2e956e41aa261d488315
Manifestb7013fadd4525bf9ccc3855181bcb65e9cfd1289409efe0ff127887a94472227

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
SignatureIOFugr/Y+87HMJ554BFQfPR+A1ANpmedD8BsmpyHfOycKZ1tcwekJvUArOLEuYhU9/uEU46frBbLPSzn1e7EAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:27.061026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061542
observed 98eb4f9277984aa9aa1146f26563820a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.042341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061542/manifest.json
observed b7013fadd4525bf9ccc3855181bcb65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.023139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061542/publication.md
observed 3142247aeec5ef03957cbdfe0ef4e78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.005531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061542/publication.txt
observed 347d56b5fff696fa14b19d84d0ccecea...
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.