OpenTechnical

OT-2026-000086180

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained 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-2026-000086180) never changes.

Identity and time

Publication numberOT-2026-000086180 · never reused
Internal UUID01a0ae99-e82c-704e-b199-46d79e6ba648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086180
StatusPUBLIC

Content hashes

Canonical text435d18ea9b917b1dee48f3dee3dde967bec29dd0603ad2a58f2b81e44f563ace
Markdown4e9e4c8b4bfa1339d0928ffeb8e486a53b7be3097f4d4c59aa4443054a27770b
PDF
Publication pagedab42f9b87e53e11fca4ee5cb85d27a052c9216f07b98101ff5eb7f21d01fe3f
Manifestfaae84fa7ccbb247ccd57413fb46ac35d172370e7092771aa4161a60af674db9

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
SignaturecO+yU96T+WDcz0Q00OdgFduvXh4wu9w8Ihgu20tmRK6DUrQ0f6gF7wkwReDNbLdWdpTxv2dywfAB8WGyUkjADQ==
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

2026-09-17T09:53:51.344550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086180
observed dab42f9b87e53e11fca4ee5cb85d27a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.327552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086180/manifest.json
observed faae84fa7ccbb247ccd57413fb46ac35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.310348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086180/publication.md
observed 4e9e4c8b4bfa1339d0928ffeb8e486a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.293461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086180/publication.txt
observed 435d18ea9b917b1dee48f3dee3dde967...
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.