OpenTechnical

OT-2026-000078732

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000078732) never changes.

Identity and time

Publication numberOT-2026-000078732 · never reused
Internal UUID01a0ae95-ccbc-7ac1-a535-9a58360513e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078732
StatusPUBLIC

Content hashes

Canonical text065cf2946267b2678e4541120122d0e2eaa9ded2b37e4c313172d09a9675e617
Markdown003da3de64885b682123e0aecbd9739ac61ac1a6acf99f338c795386669a2308
PDF
Publication page01dd904159287ee6cee3d76b414789c50d455e61732fe38f431d8d474aaf5920
Manifest2013f4e7ca8b902f4d2fdfd5bdab25d4982d19fbdc7e125850209f0bcce74d52

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
SignatureJKv+O48wmmg9PFXhjyeJa2XKOBLRKr8wseioJDmkZelDC1DTIFQa6d+10kFNsQ6ArRR22cslRLSweofORwgSBg==
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

2026-09-17T10:05:30.959843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078732
observed 01dd904159287ee6cee3d76b414789c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.942844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078732/manifest.json
observed 2013f4e7ca8b902f4d2fdfd5bdab25d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.925277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078732/publication.md
observed 003da3de64885b682123e0aecbd9739a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.906119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078732/publication.txt
observed 065cf2946267b2678e4541120122d0e2...
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.