OpenTechnical

OT-2026-000070400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000070400) never changes.

Identity and time

Publication numberOT-2026-000070400 · never reused
Internal UUID01a0ae91-545f-70b7-a8b9-574bd38e6ebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070400
StatusPUBLIC

Content hashes

Canonical text07a32242928f2bf6af33629f74769ad196b55f20ee6ad141644fa74c166731fa
Markdowna3fc48610ad3d8a222e7de9ea823cc0ae886ea407557f49febc7b6edf41efb55
PDF
Publication pagecc45eddd6393f2e04e5f6c46de2131c2336cecb30d484e179b014f7fa3a2146f
Manifestfaae8d710b30e4be172f391a4e562234be81dc57ee76e3c5f45a076438f2bf9f

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
SignatureScXANKEfATip9EHhQqjirN9YFuaGkJwWd59XGqxkDSGUYLTh2kgCpOxgy32VGKKc/0nMSHZac0QoQh36qYW+Cg==
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

2026-09-17T10:26:12.405292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070400
observed cc45eddd6393f2e04e5f6c46de2131c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.386084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070400/manifest.json
observed faae8d710b30e4be172f391a4e562234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.365928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070400/publication.md
observed a3fc48610ad3d8a222e7de9ea823cc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.348494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070400/publication.txt
observed 07a32242928f2bf6af33629f74769ad1...
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.