OpenTechnical

OT-2026-000079715

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, sustained 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-2026-000079715) never changes.

Identity and time

Publication numberOT-2026-000079715 · never reused
Internal UUID01a0ae96-4375-7251-b2f1-c6655a10da46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079715
StatusPUBLIC

Content hashes

Canonical text0d1388c2b67da56fb5927e1d2b82c23e0af670425688dfb8220ba25aba05317a
Markdowndf704b3c0357ad5fee0e281aaab2eeb936a736acd3d041ea0a16470dd45dc1d9
PDF
Publication pagec04f87bf0dc07669ce3aee2d6e50d48597d68cd82a9fc7691ef507d2833fdd61
Manifestfcbb713900da38b8700a1fe087dfe98cb48b1102b34ebcc09a052a60bc88c046

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
SignatureeMk5JZfukAooG/27BuogVJSk2NQ4A402yKVwLRjBAr44odpE+hp6WJNFzy9SDjNWXCkKNtzwSNlkYsRcPnPeBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:34.505673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079715
observed c04f87bf0dc07669ce3aee2d6e50d485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.487042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079715/manifest.json
observed fcbb713900da38b8700a1fe087dfe98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.467070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079715/publication.md
observed df704b3c0357ad5fee0e281aaab2eeb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.447176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079715/publication.txt
observed 0d1388c2b67da56fb5927e1d2b82c23e...
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.