OpenTechnical

OT-2026-000041963

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000041963) never changes.

Identity and time

Publication numberOT-2026-000041963 · never reused
Internal UUID01a0ae79-e8a7-7532-b9bc-ef64cb81cfd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041963
StatusPUBLIC

Content hashes

Canonical text28fda1488036bb49b768111ea9204255ca156bae66a894ce41ea4bb893d03152
Markdown9696bfd6dc9efefad88b5918211196626d5ad434671391600036db0686458b53
PDF
Publication paged77b845a5f495efcecb9db62f6ed0d9e19e9e3e10323fb03d3f28fc5d71b2e3d
Manifest7be77362212832d23210338407ae96faec113ac31abc32635da8376eb73fa311

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
Signature02IkFEMikQYt8Kj8Eh333t7BnHeVKpubjVWPlh99M9cMtTGY4pA9MbADmnPnDJh3Rzfq4GDcTbi2zpg6LTHCCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:16:51.337446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041963
observed d77b845a5f495efcecb9db62f6ed0d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.320972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041963/manifest.json
observed 7be77362212832d23210338407ae96fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.304136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041963/publication.md
observed 9696bfd6dc9efefad88b591821119662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.288258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041963/publication.txt
observed 28fda1488036bb49b768111ea9204255...
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.