OpenTechnical

OT-2026-000071898

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000071898) never changes.

Identity and time

Publication numberOT-2026-000071898 · never reused
Internal UUID01a0ae92-47c0-7ae2-8877-921893f2d73b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071898
StatusPUBLIC

Content hashes

Canonical textadb736ffdc24f9097a365e90c631d208225d88e6d05e11e8c9aa9cdb30d58278
Markdown298467dc233234935b76e1b661d273fa4ee07337b43399750b5f237d003a1c76
PDF
Publication page1bd9e8f3ca8299ac846e49cee65aedbdd0c3487d0b4364f77361e48de32c3949
Manifestd6a01e10347e8162619b5e7f5da769644dfd349a8cd7ae8059b0af659a917fbd

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
SignatureeLM/wL98w4d+GOVDTC0p555LS1wlu3GvWgFA5wvben5bTKPbg96oNhONPwa5Vkm0XEZ1jrv4z2rzcMpOAHzRAw==
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

2026-09-17T10:22:54.451858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071898
observed 1bd9e8f3ca8299ac846e49cee65aedbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:54.433332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071898/manifest.json
observed d6a01e10347e8162619b5e7f5da76964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:54.415882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071898/publication.md
observed 298467dc233234935b76e1b661d273fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:54.397593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071898/publication.txt
observed adb736ffdc24f9097a365e90c631d208...
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.