OpenTechnical

OT-2026-000021120

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000021120) never changes.

Identity and time

Publication numberOT-2026-000021120 · never reused
Internal UUID01a0ae6f-865b-7d92-ac63-feff824ae950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021120
StatusPUBLIC

Content hashes

Canonical texta4fbc56dad7696e9d41d1b205fd6252b5a9162f1c9d282255b82d8842e36b24d
Markdown47582d9fee8fe3814c22b7c0095398ad63b42fc06af436242dd14b0d9d22562c
PDF
Publication page7db894c2d639cf2dbc998179b2b68110a8e1e57e562ca7c4bd03232643d8e13c
Manifest2c2a3e0931c866652ef6f5ce6f78e13f6a36b68297986b4e553a834a64d11d96

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
SignatureH7OAX20r6i7dgpqo+xKqHYHOwKw1yCN5LC7nLecdiFtcl/rBtZQU5ZOf9YTSoVYdjXvIf1FaXMU/uuqu/3d+BA==
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

2026-09-17T11:54:51.905694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021120
observed 7db894c2d639cf2dbc998179b2b68110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.888561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021120/manifest.json
observed 2c2a3e0931c866652ef6f5ce6f78e13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.871860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021120/publication.md
observed 47582d9fee8fe3814c22b7c0095398ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.855190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021120/publication.txt
observed a4fbc56dad7696e9d41d1b205fd6252b...
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.