OpenTechnical

OT-2026-000053009

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000053009) never changes.

Identity and time

Publication numberOT-2026-000053009 · never reused
Internal UUID01a0ae84-a430-7b63-9704-7045cc0bc993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053009
StatusPUBLIC

Content hashes

Canonical texte99c358e7cdf1f43007c8ff984c76b61e6b22636cab925e504e11f1733bac581
Markdown12b3c9105b33aa947ba1ce3d88ac28a74db12fa3295a94a9026a2020ecf64e4d
PDF
Publication page955253c52d2c28fdd1c16558610dcdad803979f14471c56d08667399aead9b04
Manifest026971864eb0e56e2d6a6e0c33a128d862ef3200ef0f4122f0bb7e93537ab155

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
Signatureb+WLNU4FTAWvTkG1tslL9YQissZwcA11TYMXUcLNfaHqu0srNzBUVDLcOv/qav+n9CA58Hll0GxmlNWOX1NGCQ==
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

2026-09-17T10:56:42.417270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053009
observed 955253c52d2c28fdd1c16558610dcdad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.397817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053009/manifest.json
observed 026971864eb0e56e2d6a6e0c33a128d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.380635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053009/publication.md
observed 12b3c9105b33aa947ba1ce3d88ac28a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.361474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053009/publication.txt
observed e99c358e7cdf1f43007c8ff984c76b61...
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.