OpenTechnical

OT-2026-000042122

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042122) never changes.

Identity and time

Publication numberOT-2026-000042122 · never reused
Internal UUID01a0ae7a-5d71-723e-8ed0-7387be1cc354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042122
StatusPUBLIC

Content hashes

Canonical texta2e298621751450c99e508d369e366fb03c98e485c3725a77762c060769750a9
Markdown7053c1a472ba4b3559f3a9c278e9152ed6ac1ee80d8169864886abedd41703c3
PDF
Publication pageb3a57b152577e81b034569547a8b71b15689ffcf1df71f4063d9f19d2b013550
Manifeste6e075dd08481ab212696bf8c1fe509779e4493d8c2f47931b8fe24603df3340

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
SignaturebQK0dbs6qcguiW0r9rcEcojJKVPHnFe7QZLs61qcjON52tZZ78++cZNFrns79cVmQT2mjRzos3HWIV0eA/beDQ==
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

2026-09-17T11:15:39.932591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042122
observed b3a57b152577e81b034569547a8b71b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.912439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042122/manifest.json
observed e6e075dd08481ab212696bf8c1fe5097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.893454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042122/publication.md
observed 7053c1a472ba4b3559f3a9c278e9152e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.873750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042122/publication.txt
observed a2e298621751450c99e508d369e366fb...
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.