OpenTechnical

OT-2026-000007877

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000007877) never changes.

Identity and time

Publication numberOT-2026-000007877 · never reused
Internal UUID01a0ae6a-908a-7888-a452-54e8f49ae46a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007877
StatusPUBLIC

Content hashes

Canonical text4262a5c41cd39e505f290a03494f8913e57ff3d68b6fb09ca067f568b8436ec1
Markdown98b23e6cb39ed8c157c3a6a51d6e34c85a59c4dea9e4108fb4025d5fc3cb634c
PDF
Publication pagebad7539344fb044ca6f5ff0e24dcbbed11f5ec3c27d66b4a37d53c5d6ca54289
Manifestbbc47ad12cf5d0baf7add76da407c9108ef303749d113b7a90765adda70b9d0e

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
SignaturenoMfvTWO0GP5f62vKwFMAXe25tk0kmN8m500Qy7EsHMexqVH/wLCZLohBu3VuNrtu5TZOsOOfy+4rnA3U6l7AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:20.065547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877
observed bad7539344fb044ca6f5ff0e24dcbbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.046698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877/manifest.json
observed bbc47ad12cf5d0baf7add76da407c910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.022049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877/publication.md
observed 98b23e6cb39ed8c157c3a6a51d6e34c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.002727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877/publication.txt
observed 4262a5c41cd39e505f290a03494f8913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.554290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877
observed bad7539344fb044ca6f5ff0e24dcbbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.536079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877/manifest.json
observed bbc47ad12cf5d0baf7add76da407c910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.499352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877/publication.md
observed 98b23e6cb39ed8c157c3a6a51d6e34c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.464288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007877/publication.txt
observed 4262a5c41cd39e505f290a03494f8913...
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.