OpenTechnical

OT-2026-000022055

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000022055) never changes.

Identity and time

Publication numberOT-2026-000022055 · never reused
Internal UUID01a0ae6f-bb5c-747f-9c8e-21cdc18c3246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022055
StatusPUBLIC

Content hashes

Canonical text586847f15561f19431f2715310f704ea1275cc4ca4046917cc2400ccbd009338
Markdown2f02c88854efa33d464d13aa3bb7eda36bb120827314da340834b46110638ea6
PDF
Publication page95baf903838c8774520baf76a10e0da8a3c23e86170452de5ba3b11ab1af726a
Manifest94c4594bfaec8373cb07c981df76bc3336b22dd18392c9694ed29374780dafe9

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
SignaturetuNx1MfojfzY2gOjP27MsfO3vRvWCeobaB8uWdr/XgGZieyWGRw/2ptxIcPh4OFtoOJvwS67q8Lo7TpPBRqGAg==
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

2026-09-17T11:54:44.927094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022055
observed 95baf903838c8774520baf76a10e0da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.910087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022055/manifest.json
observed 94c4594bfaec8373cb07c981df76bc33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.892094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022055/publication.md
observed 2f02c88854efa33d464d13aa3bb7eda3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.872766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022055/publication.txt
observed 586847f15561f19431f2715310f704ea...
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.