OpenTechnical

OT-2026-000060668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000060668) never changes.

Identity and time

Publication numberOT-2026-000060668 · never reused
Internal UUID01a0ae8a-b7cd-7bff-81ef-e2e39ae2e7d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060668
StatusPUBLIC

Content hashes

Canonical textc30749040d09e9ecf88fdcedf98bd69865329789235db12f9760df58192bc5fe
Markdown2ce7830a0eadc1a87acc7d591fe55df8ac194bec8c6c2b55a546dccc4d93e078
PDF
Publication page5a46eeaaf1e990b7d6e48acd531c4163803c2783235770ad7214ca1d89703799
Manifesteffed29064cdf48b1b41ab185aa211423c29388cdef55ca758987b24f988e1bc

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
SignatureggpRYcKxaXyXZly5URJ9M0TzyB7VCnXybTWhPbrwc7x5+R7JSLP1o0Y40536vcVNpx9Y+IilX0nCmVttkNUOBw==
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

2026-09-17T10:43:18.422908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060668
observed 5a46eeaaf1e990b7d6e48acd531c4163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.405319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060668/manifest.json
observed effed29064cdf48b1b41ab185aa21142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.387820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060668/publication.md
observed 2ce7830a0eadc1a87acc7d591fe55df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.371399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060668/publication.txt
observed c30749040d09e9ecf88fdcedf98bd698...
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.