OpenTechnical

OT-2026-000055297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000055297) never changes.

Identity and time

Publication numberOT-2026-000055297 · never reused
Internal UUID01a0ae86-a100-7607-ab40-63d0ceaf47a9 · 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-2026-000055297
StatusPUBLIC

Content hashes

Canonical text4c71f9823f0b82b8fd888102274a597e53362be6a5faa171ee7786e4bee2c12a
Markdown540d2b3b434d5ffdb78365bb5f2ea1fe9accd60cc8887eaa0ce39d2b409ea026
PDF
Publication page5bc93944e5a751be89ba01a80b51dba87f2282dbe504f3c25b27901be7e9e634
Manifest06e2f4230a4d7bfb8062adddf4c15eb1b6f8515c47bbba8bbbd71c7f41053504

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
SignaturetitNTI9hgwcIg4tRb7WY7kcit18/CA2mhwSJ0qNWNhgiA+aru0Vb1XY8snLiCHBsD3qcg2AkClN8865zdW9LBQ==
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

2026-09-17T10:51:53.924072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055297
observed 5bc93944e5a751be89ba01a80b51dba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:53.906063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055297/manifest.json
observed 06e2f4230a4d7bfb8062adddf4c15eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:53.888333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055297/publication.md
observed 540d2b3b434d5ffdb78365bb5f2ea1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:53.870326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055297/publication.txt
observed 4c71f9823f0b82b8fd888102274a597e...
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.