OpenTechnical

OT-2026-000051692

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000051692) never changes.

Identity and time

Publication numberOT-2026-000051692 · never reused
Internal UUID01a0ae83-7c82-703b-9262-26b42ad12d50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051692
StatusPUBLIC

Content hashes

Canonical textad81b8958b16ccb193820563c7e48fa36dba0eea2dba4d7c286cbbd9f5873cb5
Markdown3596ee688f997f555a93a7611ad2c179e3d96e2e4fc2b9cd0e780f4d0d962b3f
PDF
Publication page09b4d36fe411ffe074bba323bbdcaa73ad883aaa44599a206e325684a053905e
Manifest07ddc109c5860aff1d3fa3643d424a6c5581d5fbad4986a3926f757911f4d96d

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
SignatureQq/d4t5hQziVaOkgJaRiPAFqYn0ZUS1qJ336l5LfR8TCw2tvdwzBkBlGQfG5AV01/g8l75cr6GwyV6L6uDjRCQ==
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

2026-09-17T10:58:34.169850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051692
observed 09b4d36fe411ffe074bba323bbdcaa73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.151802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051692/manifest.json
observed 07ddc109c5860aff1d3fa3643d424a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.133660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051692/publication.md
observed 3596ee688f997f555a93a7611ad2c179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.114417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051692/publication.txt
observed ad81b8958b16ccb193820563c7e48fa3...
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.