OpenTechnical

OT-2026-000042744

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000042744) never changes.

Identity and time

Publication numberOT-2026-000042744 · never reused
Internal UUID01a0ae7a-c0cf-7b14-89f2-723eae0e5973 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042744
StatusPUBLIC

Content hashes

Canonical textc05ff3bdb799c7bde55350f0ceb3bbd766bcf981bbe2d6a93121b5452c36197a
Markdown8c0dc185b575223f4579d79cceee9825013d0ebba54a7f8076b25098bcb3fe17
PDF
Publication pageaeb9ec64406f3278496b38ba4fd1c613d7f992e9bb07f095f31f93955b513da3
Manifest68ed6a8a115c92312874eb65597c6894416e05f93c94bc47971b803b52de31b5

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
SignaturesE26zSl7/h0sTpTkgtmcCpSkPIunK5f7m/uP9YojSNYlm+Ca4/ZlbBB5eK8JsKVEVR2EBNRd7uwmjgseXoKdBQ==
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

2026-09-17T20:41:18.890898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744
observed aeb9ec64406f3278496b38ba4fd1c613...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:18.711260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744/manifest.json
observed 68ed6a8a115c92312874eb65597c6894...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:18.511379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744/publication.md
observed 8c0dc185b575223f4579d79cceee9825...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:18.326113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744/publication.txt
observed c05ff3bdb799c7bde55350f0ceb3bbd7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.577992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744
observed aeb9ec64406f3278496b38ba4fd1c613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.557551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744/manifest.json
observed 68ed6a8a115c92312874eb65597c6894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.537669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744/publication.md
observed 8c0dc185b575223f4579d79cceee9825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.517485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042744/publication.txt
observed c05ff3bdb799c7bde55350f0ceb3bbd7...
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.