OpenTechnical

OT-2026-000034844

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000034844) never changes.

Identity and time

Publication numberOT-2026-000034844 · never reused
Internal UUID01a0ae76-1ed3-7366-ab27-728b63e45e2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034844
StatusPUBLIC

Content hashes

Canonical textbcb1678558b2285edd11f08fe44f889fe61a77dc1f04483998222fcfd720fe4d
Markdownd1ac69e2c74f4b04934801a00c0da58ea10b812e21e1576061dff1240eb3f40f
PDF
Publication page57d68bc133c343f0127f06503938bf54c583134beeb76726fa0e3ac737175698
Manifestdb2787a4ff5b89cb1a0b049048494c4c697cb8177b8f5271f9ea6c51e31459b7

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
SignatureEo0e8NhfYVIjSKJsHAMPWtwapI8nVppDELMuwdN1bRQLwfj7r8xT4DTlJtCYQk3HDqty0SSlSUYGtk5Nd10jCA==
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

2026-09-17T11:30:29.197251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844
observed 57d68bc133c343f0127f06503938bf54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.175059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844/manifest.json
observed db2787a4ff5b89cb1a0b049048494c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.153475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844/publication.md
observed d1ac69e2c74f4b04934801a00c0da58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.126671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844/publication.txt
observed bcb1678558b2285edd11f08fe44f889f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.209364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844
observed 57d68bc133c343f0127f06503938bf54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.190804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844/manifest.json
observed db2787a4ff5b89cb1a0b049048494c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.173133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844/publication.md
observed d1ac69e2c74f4b04934801a00c0da58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.155750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034844/publication.txt
observed bcb1678558b2285edd11f08fe44f889f...
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.