OpenTechnical

OT-2026-000030112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before 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-2026-000030112) never changes.

Identity and time

Publication numberOT-2026-000030112 · never reused
Internal UUID01a0ae73-e4ff-7f9c-a6d7-6bee2cf96a80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030112
StatusPUBLIC

Content hashes

Canonical text0124d6dce8538a63a3386713cb2d6afb3f920c95863a7b46e4d06f85623e78c8
Markdown752304fe47ff53e0da74c445240273055560a464cd416f18b86c9c17a59191bb
PDF
Publication pageac26cb2742c398e402b14901faa71c6ececec219e3b5bc79388532f0d6e2f043
Manifestcb715aba15752e82471b484679a40e847f185b9d648132785554c1fd076c7909

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
Signature+szChFadvjCrBHl79kukcVJXxNmq7yDF5oEdDaykkiYEc5/q455zXE5ZkswkjgRm52vb7Wa7GO6KjWSHK9nfBA==
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

2026-09-17T11:40:20.651339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112
observed ac26cb2742c398e402b14901faa71c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.632988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112/manifest.json
observed cb715aba15752e82471b484679a40e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.615177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112/publication.md
observed 752304fe47ff53e0da74c44524027305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.597660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112/publication.txt
observed 0124d6dce8538a63a3386713cb2d6afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.633144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112
observed ac26cb2742c398e402b14901faa71c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.614654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112/manifest.json
observed cb715aba15752e82471b484679a40e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.597235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112/publication.md
observed 752304fe47ff53e0da74c44524027305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.580739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030112/publication.txt
observed 0124d6dce8538a63a3386713cb2d6afb...
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.