OpenTechnical

OT-2026-000077790

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077790) never changes.

Identity and time

Publication numberOT-2026-000077790 · never reused
Internal UUID01a0ae95-2ed0-778c-ac34-b4d243494fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077790
StatusPUBLIC

Content hashes

Canonical text9fa5b400d5ad35226025d6cbbdfdad8af6f753332fa74c0e02cce5081db9a924
Markdownaec0dce08c094424272f837b17bf6226ea529ca859ef160c7123e24a8ade2bc6
PDF
Publication page01e85b43230c86e973c44ab9ecb99becca250a65cc673819a0f4a7a8f63a6ed3
Manifest04987a202a25dbc177ce96f87239b3d752297097e0173e1c270ef9927b4a9d22

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
Signatureg5pv8sL+jrhvfhbRD8+C6XpRJa0AbiUESh13lMSCwdNYaE7mqbEweGKvoQ19sA1FOt01zhFdtpyGS56fTKhwAA==
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

2026-09-17T10:07:22.622209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077790
observed 01e85b43230c86e973c44ab9ecb99bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.603005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077790/manifest.json
observed 04987a202a25dbc177ce96f87239b3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.582853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077790/publication.md
observed aec0dce08c094424272f837b17bf6226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.564274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077790/publication.txt
observed 9fa5b400d5ad35226025d6cbbdfdad8a...
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.