OpenTechnical

OT-2026-000043223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000043223) never changes.

Identity and time

Publication numberOT-2026-000043223 · never reused
Internal UUID01a0ae7b-327c-7af9-91a3-cf5799decf37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043223
StatusPUBLIC

Content hashes

Canonical text76f5d8939e1e36d92bb305b45c6eec1ebb262ee2913e72687a00726bf011c371
Markdownf8c004d7ebca79c2bdb49198e9d8ac70bbc2746376c54af1e35cf869b946ef92
PDF
Publication page919cb05f12bfce778dbfcd0383b809d74aa34bea435f1ce07477a2218995b5a8
Manifest9d4b64a60b06db011a7fde2688273e9c6db0f775dbf91434898cc271796ca9ee

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
SignatureCtfJ5ja8XiB+PaU8kPDFfCqLP6SlTX3fgabXGy5s0ymRn1ql/NWYGU2KPq2RWPyz1evow7T6kUO+8xJvryAbCg==
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

2026-09-17T11:13:41.395421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043223
observed 919cb05f12bfce778dbfcd0383b809d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.374953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043223/manifest.json
observed 9d4b64a60b06db011a7fde2688273e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.355136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043223/publication.md
observed f8c004d7ebca79c2bdb49198e9d8ac70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.335218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043223/publication.txt
observed 76f5d8939e1e36d92bb305b45c6eec1e...
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.