OpenTechnical

OT-2026-000072080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000072080) never changes.

Identity and time

Publication numberOT-2026-000072080 · never reused
Internal UUID01a0ae92-47c1-7ab0-b1b4-cbdc45e41463 · 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-2026-000072080
StatusPUBLIC

Content hashes

Canonical textd0a866633c9f96b8e42eecad2889de33481faa9279406a98753bd603e04c22a3
Markdown6188591d2c0e4459a63bcf67c4c3c08b6e73e22365867a67001289ec0d170c16
PDF
Publication pagedd667eca1e5f57353eeaadedec9c3ac746f6678e7e1f2663893fe7ab8b43de00
Manifest1a16e14bbe880b66468b297e95d79d57d96539ced93798bf8b9f8f3562eceb1d

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
SignatureCz9rLqQJt+vnOSePUYwbdMbuWcO681ZbI1UfZjONKDgmqstPHblcc5cdh1sFBuCs0mHytPDBYMwoKiM7tQK+Bw==
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

2026-09-17T10:23:09.461569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072080
observed dd667eca1e5f57353eeaadedec9c3ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.441412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072080/manifest.json
observed 1a16e14bbe880b66468b297e95d79d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.422190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072080/publication.md
observed 6188591d2c0e4459a63bcf67c4c3c08b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.402650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072080/publication.txt
observed d0a866633c9f96b8e42eecad2889de33...
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.