OpenTechnical

OT-2026-000072124

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-2026-000072124) never changes.

Identity and time

Publication numberOT-2026-000072124 · never reused
Internal UUID01a0ae92-47c1-71a6-9cbd-aba8012c00be · 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-2026-000072124
StatusPUBLIC

Content hashes

Canonical text79b4081b2759077230e082faf980c8b77adc15eb21bf762607869bfbb32e678f
Markdownb35627eed8021f552fbedc4f9590df1963e71a50d2c8834bc02c2af684c9bfea
PDF
Publication pagebe84199f568eba746a85685c57171d2c2e57f6c796cd8f0f7afb38eeb208e7f1
Manifest27db0b05075849e1180fbde80fe4dd72e074785d9944bc61559bc15beb8f5120

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
Signature/CUM7i0FyCSrWNovVTNuDAI2OVKNKigNhmCJ6/R4/USQcNsYXae1k93sB5uz5whZ3hUdVIW/O4TZ5hgXWFjUBA==
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

2026-09-17T10:23:12.828084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072124
observed be84199f568eba746a85685c57171d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.810252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072124/manifest.json
observed 27db0b05075849e1180fbde80fe4dd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.791185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072124/publication.md
observed b35627eed8021f552fbedc4f9590df19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.774714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072124/publication.txt
observed 79b4081b2759077230e082faf980c8b7...
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.