OpenTechnical

OT-2026-000069188

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000069188) never changes.

Identity and time

Publication numberOT-2026-000069188 · never reused
Internal UUID01a0ae90-6dcf-74a7-812d-92a2b7a8e1b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069188
StatusPUBLIC

Content hashes

Canonical text3af5028c2d8ae1c3f0658caae810eb76849c2f0c17306d6c595830b525eef561
Markdown9c1cf12d6916327b32ba63b11b8372a9c0f55fcb7d03b8c38160c4ff5dc55be5
PDF
Publication page6a6ea9e33f23be365d957ac26f76a10e8f6fe15c9fd549aedeb1aed46e401379
Manifestdfc8c79b1892c53149da263c8686e6caaeb0959b625324d5c78d9f8f8deeac8e

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
Signature9Ct9Wo7mOodF4nXOldShtFvrSNQ0XKl0y7FC8yxVPPotGDcDEe0mUDMzpgSOsfME7J4xhbqFZ794Lrgn2fVOCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:05.051362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069188
observed 6a6ea9e33f23be365d957ac26f76a10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.033422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069188/manifest.json
observed dfc8c79b1892c53149da263c8686e6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.016917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069188/publication.md
observed 9c1cf12d6916327b32ba63b11b8372a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.999850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069188/publication.txt
observed 3af5028c2d8ae1c3f0658caae810eb76...
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.