OpenTechnical

OT-2026-000061500

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000061500) never changes.

Identity and time

Publication numberOT-2026-000061500 · never reused
Internal UUID01a0ae8b-7b44-7fb9-85a9-91de46d9ae06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061500
StatusPUBLIC

Content hashes

Canonical text26593f64bbc841ddb13540faf4e8511ab6b96c683e13504eb33cc8cc0677aa7c
Markdowneb9d9e477ebd21bbed72ace2a8e2265be2d82266496a447803d6409a8f20f4ca
PDF
Publication page27fd633bf7810c9f15e85e3e534221e8ba2824c74e40a41898e112e19d92dd24
Manifestfc5209a02f1c0c6a34ff0761cd32e4f8fe80f4c94185266ba889a342962da50a

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
SignatureDlU5vjBpCbgwlBBGCXBtXbjP932GiXPP0lyiS8HukhaE5gMStMz8Tm0YCzmFxizQ8O7aSBdapuNCk6F0/aN9BA==
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...

Independent retrieval

2026-09-17T10:41:23.661488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061500
observed 27fd633bf7810c9f15e85e3e534221e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.644147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061500/manifest.json
observed fc5209a02f1c0c6a34ff0761cd32e4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.625517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061500/publication.md
observed eb9d9e477ebd21bbed72ace2a8e2265b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.605810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061500/publication.txt
observed 26593f64bbc841ddb13540faf4e8511a...
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.