OpenTechnical

OT-2026-000018733

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000018733) never changes.

Identity and time

Publication numberOT-2026-000018733 · never reused
Internal UUID01a0ae6e-d520-72c2-b993-6ac727caadd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018733
StatusPUBLIC

Content hashes

Canonical text1f52ae7a097ee9fc5a2674a4c868910d40a295f663c0777f71b8e148be27cc57
Markdown31b4d8281d54d77f74320780e5895d82547c7451b8bdf01d181e9f67784990e5
PDF
Publication page4bcfff9c8fb81315edfd0eadc42cc6f49d60d88a2599cb040c66cd6c1f103ba5
Manifest58b92ea9d0336c8778d50fab95acf8571c4a523f9bf63d4c20aeff663564f685

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
SignatureJe7M9o6rkC0pv88gyqv+uvRSCOg51XA+jgAw6/rhc5fcGcEMNO7QZZ6RMpqd6fXYICCpCC81TSeTZwiO9oYuDA==
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

2026-09-17T11:59:20.550619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018733
observed 4bcfff9c8fb81315edfd0eadc42cc6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.531926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018733/manifest.json
observed 58b92ea9d0336c8778d50fab95acf857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.510502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018733/publication.md
observed 31b4d8281d54d77f74320780e5895d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.490150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018733/publication.txt
observed 1f52ae7a097ee9fc5a2674a4c868910d...
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.