OpenTechnical

OT-2026-000054588

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000054588) never changes.

Identity and time

Publication numberOT-2026-000054588 · never reused
Internal UUID01a0ae86-1283-7c4d-bafd-bb6c60a038f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054588
StatusPUBLIC

Content hashes

Canonical textccf448db28fadb9de3deb1531409d6a4c4d2e470243f9e632218e8ab1ba6bfd6
Markdown7aec7b7d4e0a0bed2dbeeeac24e00bb193959065b288b5eb2234e44ab76699d4
PDF
Publication pagea05457871bc25637eb813899597390bb81e74e6e055591228082968831d6efff
Manifest80f40b9ebafc185edb2c13f113e5ba14cb8254ddabd1c65b1816eddd7471174c

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
Signature2GteOYI7gcRLcmzUxi2yMuZX8PAqyigzbnpnChhpTx+pZu3IJAyBab+O/UnRlf5esunmodOevNWv26K6J/haAw==
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

2026-09-17T10:53:37.144059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054588
observed a05457871bc25637eb813899597390bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.125410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054588/manifest.json
observed 80f40b9ebafc185edb2c13f113e5ba14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.107073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054588/publication.md
observed 7aec7b7d4e0a0bed2dbeeeac24e00bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.089345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054588/publication.txt
observed ccf448db28fadb9de3deb1531409d6a4...
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.