OpenTechnical

OT-2026-000061247

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000061247) never changes.

Identity and time

Publication numberOT-2026-000061247 · never reused
Internal UUID01a0ae8b-1382-7cd8-b686-9bb73fee1fcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061247
StatusPUBLIC

Content hashes

Canonical textb0eaadaddf9784904f3b855a3046520a2282e9fea364e604e5b72bbc2e956b18
Markdown8042fafcec54deeb431ee3184114c5958af98ffdd0b943f3ae3fbea774fc2b3e
PDF
Publication page91b9dacc258ff713e525f55bee5d3c4a382cc6f271b82f63e8bba0d4937ee51f
Manifestb725f9a74c633b0c772ceef68997baa5429b1217745c90804bcd81f4c0626e82

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
Signature9B0bLFGsTpbSMY137f5bqET/Rl332m6/2vdA/FUtf3fpAFE5Ayy7SiRW2PyvBof9avSCfB3m2lGgctmeIWntAg==
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

2026-09-17T10:42:39.669211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061247
observed 91b9dacc258ff713e525f55bee5d3c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.652237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061247/manifest.json
observed b725f9a74c633b0c772ceef68997baa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.631957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061247/publication.md
observed 8042fafcec54deeb431ee3184114c595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.612315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061247/publication.txt
observed b0eaadaddf9784904f3b855a3046520a...
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.