OpenTechnical

OT-2026-000014050

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000014050) never changes.

Identity and time

Publication numberOT-2026-000014050 · never reused
Internal UUID01a0ae6d-8deb-735e-ac3c-41e29fb8d1d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014050
StatusPUBLIC

Content hashes

Canonical texta946041ad2c498491607935fc214c9155be2352da7608a5c4ff65a20ce4c1992
Markdown821a4bf9f66ab46884236b2be879b6773b2aa651bc983bd218c3e79fa0e14fc1
PDF
Publication pagebfc1508bc8273e4e6c2273509448f5a73394e09fa800ae01cd32b1f5ee258854
Manifest3f3ee53069f8aeaddee22457319f140a70ed3baccd3d70f2fd75be89a2cb438f

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
Signaturepgez5sVgxsJc5A261vM1TW3kbSIClYfAV7GjRowyTYZeeKmIPULgcQGw7+89vJ45jz5LkAV1U5R/Rgg9XyIeAg==
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

2026-09-17T12:09:17.266628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014050
observed bfc1508bc8273e4e6c2273509448f5a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.246429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014050/manifest.json
observed 3f3ee53069f8aeaddee22457319f140a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.227332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014050/publication.md
observed 821a4bf9f66ab46884236b2be879b677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.208347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014050/publication.txt
observed a946041ad2c498491607935fc214c915...
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.