OpenTechnical

OT-2026-000055032

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000055032) never changes.

Identity and time

Publication numberOT-2026-000055032 · never reused
Internal UUID01a0ae86-5e81-7b10-8042-9f0253b48ceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055032
StatusPUBLIC

Content hashes

Canonical text675470b6e79b8b9bb5a4c7d2354b7739c19ad9a195788e7b91da50cf4b9ed136
Markdownbdd5f4acfbf8adcf0ebf8e4c65d7668ff4689980c5526b6d672af3f45d784638
PDF
Publication pageb830a90682e1b60011c8568789380724130afe94e35bbce3a030e164637751ed
Manifesta3d2e364276ecfd6b74aac37c7a12a3662c6be4f378023e3cdd54eb5aa5b0756

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
SignatureDGyZDHazz5orBb2CgnoqY5HkBoVvMA+H4E8jTAxBNdxPcdA+4hQ1FO/yJ/HodCJ4EDWcaTO/fzyK4EJYL7uyBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:10.261794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055032
observed b830a90682e1b60011c8568789380724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:10.245050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055032/manifest.json
observed a3d2e364276ecfd6b74aac37c7a12a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:10.226656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055032/publication.md
observed bdd5f4acfbf8adcf0ebf8e4c65d7668f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:10.208478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055032/publication.txt
observed 675470b6e79b8b9bb5a4c7d2354b7739...
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.