OpenTechnical

OT-2026-000080138

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000080138) never changes.

Identity and time

Publication numberOT-2026-000080138 · never reused
Internal UUID01a0ae96-4378-7a73-b35b-5c62544f0a18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080138
StatusPUBLIC

Content hashes

Canonical textc4429befdea9b5ff32bc83688e8f828af4ebf02d8ec9ee534e6e62ec344890c9
Markdown4293579f8c32bc1812f5e9147e50fe73b42610ce0905546e4b9c57e21f2e1fa6
PDF
Publication page002626c24066dd578cc277c2c4c0a53a81b806f39b1394e7fc38c1aee3696e83
Manifestce9d559393b7d1f36e042e2ee3b4f5fd5cdde17f93c5928984b3ab06a23d12fd

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
SignaturecncZmTE+sl0uveMIcWzR898fGXBaENzZ0u1A0eug5MvNuSp+qK8yGWBGXBPIk2tywr1SE6LDXuhqrx1Sje9GDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:05.204768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080138
observed 002626c24066dd578cc277c2c4c0a53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.185814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080138/manifest.json
observed ce9d559393b7d1f36e042e2ee3b4f5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.166684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080138/publication.md
observed 4293579f8c32bc1812f5e9147e50fe73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.147884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080138/publication.txt
observed c4429befdea9b5ff32bc83688e8f828a...
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.