OpenTechnical

OT-2026-000052346

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two 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-2026-000052346) never changes.

Identity and time

Publication numberOT-2026-000052346 · never reused
Internal UUID01a0ae83-e792-7bc4-99d9-e1d2af0485dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052346
StatusPUBLIC

Content hashes

Canonical text48dd47ef587bce3cdfd7ac1fb2bdc436ad7bbc2498569895e822bd6a48caa237
Markdown5851f0b89fe1dfcb56edef78cc7299771bd3812e15026c943f7e4c446d19b15e
PDF
Publication pagece1024480fcd159419af538393b8d42db29c5f73bad51c0f96fb9e05ab61b27b
Manifest22289cf3f46cda249f3c550d9803f0e0a4e2b7e0089763a554b57c377ca372e2

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
SignaturekP6E4ESXDt/JvPdWdXd2JYJMX8HBvk0avTmC4wg/9CbHkCelFA84B4g3y8oOvzdU66AeccIQ3XXQI0WQDk2iAg==
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

2026-09-17T10:58:02.419524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052346
observed ce1024480fcd159419af538393b8d42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.403181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052346/manifest.json
observed 22289cf3f46cda249f3c550d9803f0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.386305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052346/publication.md
observed 5851f0b89fe1dfcb56edef78cc729977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.369653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052346/publication.txt
observed 48dd47ef587bce3cdfd7ac1fb2bdc436...
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.