OpenTechnical

OT-2026-000072118

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000072118) never changes.

Identity and time

Publication numberOT-2026-000072118 · never reused
Internal UUID01a0ae92-47c1-7df2-bb6f-c81aee9f3276 · 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-2026-000072118
StatusPUBLIC

Content hashes

Canonical textfb502b6562de46538e4c9c3b2e12a50fa38e2865abe6d7f414f01a722dc97a08
Markdown74352c735fa12d38e8a2cce41e20b1f71f46a20552e68edb0df1c340b4524e46
PDF
Publication pagecc04b6af1a918ac2e104ce0ff7e2993c55c76463c57ef51d605d414e4547c1f1
Manifestb2aaea8733ffe419062307997a4d67bf45dc934a152af386f3078e27a8f8999e

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
SignaturecW7mlTG8qTCgtMHy7YPoKL3f4PY+20k5iHGnkh70pVSbORF/lWB13ewD7209wvGNii2zLWmnnPr0Ko07ELl+Bg==
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

2026-09-17T10:23:12.227712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072118
observed cc04b6af1a918ac2e104ce0ff7e2993c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.204318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072118/manifest.json
observed b2aaea8733ffe419062307997a4d67bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.185521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072118/publication.md
observed 74352c735fa12d38e8a2cce41e20b1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.166394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072118/publication.txt
observed fb502b6562de46538e4c9c3b2e12a50f...
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.