OpenTechnical

OT-2026-000034104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000034104) never changes.

Identity and time

Publication numberOT-2026-000034104 · never reused
Internal UUID01a0ae75-df0c-7240-85b3-da6db8e8e63b · 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-2026-000034104
StatusPUBLIC

Content hashes

Canonical texte9545dee30b600c1e943be0f3836610100d96bc892fc5879976f63e21e6731d5
Markdown22964a4b5292b89a14e5aa78959019794fabef5109aab23677821a31c1d0e4e2
PDF
Publication pageb9a3eec9d275130027859d8ce7b0b46e76b81e8a9d2e85721e76245b4a1f8f6a
Manifestc486d91c2443e22fe976ef9a1c2cbbf6292112812c98e2d2ce26a091bc381a91

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
SignatureK/P94uTZcANIdUSUFvLyhcI2O04rmNOPjujqb8EunG02pk7Q6ksJZlsIRP7z18babfPBMRaLVO6IFYHnm6OwBA==
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

2026-09-17T11:30:29.177296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034104
observed b9a3eec9d275130027859d8ce7b0b46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.154776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034104/manifest.json
observed c486d91c2443e22fe976ef9a1c2cbbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.123914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034104/publication.md
observed 22964a4b5292b89a14e5aa7895901979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.102641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034104/publication.txt
observed e9545dee30b600c1e943be0f38366101...
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.