OpenTechnical

OT-2026-000012711

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000012711) never changes.

Identity and time

Publication numberOT-2026-000012711 · never reused
Internal UUID01a0ae6d-5562-7145-b89a-6ce7e8752bba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012711
StatusPUBLIC

Content hashes

Canonical text89ba62c7fb2cdf42266b84abdf28818e1b5c2f187dddda1cdc8f163102391f34
Markdownf90b0b6ff2a77ed17d6773ebd81630e3926d1b8bc8efe92d2449baa504db84ea
PDF
Publication pagea6b13711a1a9a0a7c145882550057d17df22771e7c852ea2776c4a8ebd8c025b
Manifestd9a8c3bc12b3d662201c291cd1006d2746dc3f7a67a7a32e40d7b5e7adbf88ec

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
Signaturema9UCHpn5dl8bcn0r0EXOiUZEMLcj2EXPKfpg11E2npgsFrWgd+nyQteiE+YxBO/Nr6LrGUukiQDV6wrj5XwDA==
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

2026-09-17T12:10:22.412422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012711
observed a6b13711a1a9a0a7c145882550057d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.392554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012711/manifest.json
observed d9a8c3bc12b3d662201c291cd1006d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.373120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012711/publication.md
observed f90b0b6ff2a77ed17d6773ebd81630e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.352648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012711/publication.txt
observed 89ba62c7fb2cdf42266b84abdf28818e...
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.