OpenTechnical

OT-2026-000018300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000018300) never changes.

Identity and time

Publication numberOT-2026-000018300 · never reused
Internal UUID01a0ae6e-b489-770e-8333-f689f5015219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018300
StatusPUBLIC

Content hashes

Canonical text3c135fdf6433c23d44f7bff6ec6a632b7969d1811e4822d59e21055753ad5b9b
Markdownf839605bdbc68559f0ca7f325004f6667d5af03fe17074a72851e6dfe3d370bb
PDF
Publication page3d977e6037a9e8a4f2612f49b6b82e3b3924f15422c0f128ace0edc8bf70ce47
Manifest4cef55341f27f11b8871f1c55edb2fcd3dc3a6b11698c6fe0bbabc438e401433

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
SignatureBmOk2UmtL7O7kjlXLwmH27Adlw046qtKJRoll1DEZl60pB6crU6YgUKtw2PQcqPZWOWxKUM4S3MDrPExVjM8Dg==
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

2026-09-17T11:59:50.148460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018300
observed 3d977e6037a9e8a4f2612f49b6b82e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.128277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018300/manifest.json
observed 4cef55341f27f11b8871f1c55edb2fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.108117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018300/publication.md
observed f839605bdbc68559f0ca7f325004f666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.088632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018300/publication.txt
observed 3c135fdf6433c23d44f7bff6ec6a632b...
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.