OpenTechnical

OT-2026-000046535

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000046535) never changes.

Identity and time

Publication numberOT-2026-000046535 · never reused
Internal UUID01a0ae7e-57dd-7b88-a988-8df3c53f069d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046535
StatusPUBLIC

Content hashes

Canonical text28718df8a977fa6201d0d0e25ffd3ae15eaea8c69627819ecd6e0ec0b074ca26
Markdownb97274a50033859747aaf07864921a396b3df49b048fb44ea8c007d62a261123
PDF
Publication page45509c15b1d3baaa9c76d45049690a66b6c3a01085cb94e953b43256bb7a9587
Manifest86f67cd6509733b2b529a8de971591af21fcedfa6f77271125a7d5427ac1e2b6

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
SignaturecZOZwJkIeGpKD9CUslknqwwMOe4EOyO49tFp1Hqnj1F2F3DhED7tbKn8I63KqdFRFTAWo+cVM1GoOzOvdPg6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:35.361379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046535
observed 45509c15b1d3baaa9c76d45049690a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.345279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046535/manifest.json
observed 86f67cd6509733b2b529a8de971591af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.329386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046535/publication.md
observed b97274a50033859747aaf07864921a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.312305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046535/publication.txt
observed 28718df8a977fa6201d0d0e25ffd3ae1...
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.