OpenTechnical

OT-2026-000027163

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000027163) never changes.

Identity and time

Publication numberOT-2026-000027163 · never reused
Internal UUID01a0ae72-3454-7488-aa3e-833f27b5049f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027163
StatusPUBLIC

Content hashes

Canonical text99a42edcfdce9f4d2412d8a95b022877812599d96382f30cbb2c32da13ecdd3c
Markdown8dc49ca99aa35cbac66f44678861f921d509e091c4829738db57ba4974997bc3
PDF
Publication pagec4f42111368900921a31cd1542e56908b35b04cf7783de0e62e26630be57525d
Manifest4cacebfd275fa3acc51054805492cad7923cd9e9237f6338c761ddee075161b3

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
Signature9NuWK9b7c4MBu+wiDHgEACYDTNZpv7fCdENkEGDQdw/BkKuajZc/WX1sRyLQHiVC5Zl97cUuUtrzI83F68EEDA==
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

2026-09-17T11:43:56.677278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027163
observed c4f42111368900921a31cd1542e56908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.657552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027163/manifest.json
observed 4cacebfd275fa3acc51054805492cad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.640023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027163/publication.md
observed 8dc49ca99aa35cbac66f44678861f921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.624321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027163/publication.txt
observed 99a42edcfdce9f4d2412d8a95b022877...
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.