OpenTechnical

OT-2026-000048284

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048284) never changes.

Identity and time

Publication numberOT-2026-000048284 · never reused
Internal UUID01a0ae80-4de3-7fea-ae50-d2428323d1dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048284
StatusPUBLIC

Content hashes

Canonical text3297bac79696316f3cc1b567429e1a3272f4a475d0183fe84e66ea17357f62a2
Markdown7391f66d643195f8597a9e619dcd055f1285c42eb9998ac61a9cd5f3aeaf920d
PDF
Publication page9ccf9009e25743f3dc5fbb004c4adb58bad459d31b6d2f8fbcfa34949f04973f
Manifestf6f57555c346aff7c401f80f2b5110513a119152afdea3a0fa40dc7e2064fba9

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
Signature8Mfm9U/Zm5HMtKRQdw17OUQ4cbdLpobXzo1OEprd8grMsOcv0609J+6XVPLvHxja48VLBy/AfCUaP1dM9SZvAQ==
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

2026-09-17T11:04:52.034250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048284
observed 9ccf9009e25743f3dc5fbb004c4adb58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.013974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048284/manifest.json
observed f6f57555c346aff7c401f80f2b511051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.996254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048284/publication.md
observed 7391f66d643195f8597a9e619dcd055f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.973934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048284/publication.txt
observed 3297bac79696316f3cc1b567429e1a32...
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.