OpenTechnical

OT-2026-000055388

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000055388) never changes.

Identity and time

Publication numberOT-2026-000055388 · never reused
Internal UUID01a0ae86-a101-7e0f-9c41-284edc460c0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055388
StatusPUBLIC

Content hashes

Canonical text52a5205282b6188b2a4fad7bc3fe052245c0fd5af608a58740ed02ceae9b9e5f
Markdowncb41f492a142c096df45a38a8dcf4d82142e39362cae0c221653528ca6c62735
PDF
Publication pageb8d5f1a314861bec39f263d9ebd753e8427a710465b56778c7d071caf5008e2a
Manifest07eee22271192068173ac637074bee00696422502a05e1f4ac6f3c6efb214553

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
SignatureSDhtQchKbKD2dT1wwp/lnF6bdIOOev2RjhRbp0oQkOb1xIenwg3pTxUKRrSy5uyToDBh7COKYgO/6oiRA8M+Bw==
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

2026-09-17T10:52:01.544546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055388
observed b8d5f1a314861bec39f263d9ebd753e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.528161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055388/manifest.json
observed 07eee22271192068173ac637074bee00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.508974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055388/publication.md
observed cb41f492a142c096df45a38a8dcf4d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.490342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055388/publication.txt
observed 52a5205282b6188b2a4fad7bc3fe0522...
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.