OpenTechnical

OT-2026-000056300

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off after 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-2026-000056300) never changes.

Identity and time

Publication numberOT-2026-000056300 · never reused
Internal UUID01a0ae87-4bd1-7f63-a25f-66197052bd2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056300
StatusPUBLIC

Content hashes

Canonical text672a2d78da2914607be02450470fc83bf06068695c34b751ae067d72970aaa97
Markdown8a6b73f5b44cb4b50be60944f7428bfa04f4bddcf9e080c1cdfc1787fe7a5fc7
PDF
Publication pagef0734afac7000927b5ba434fca428717005203d677d3f9fa2245b2b0e2ac303c
Manifest6a6f4b15e6acbe412b03f151c50c826276a558872140bfc9b111dd0d8e2e7958

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
SignatureR9ob4xQUJ1zcYadzaEsX6vnHZdbwcBjzlY+SNHtc4N1mhG989eV60DQOnCnblSWgTYJlaQw1xMCmOCGqXHxqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:47.689942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056300
observed f0734afac7000927b5ba434fca428717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.671438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056300/manifest.json
observed 6a6f4b15e6acbe412b03f151c50c8262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.637261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056300/publication.md
observed 8a6b73f5b44cb4b50be60944f7428bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.604527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056300/publication.txt
observed 672a2d78da2914607be02450470fc83b...
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.