OpenTechnical

OT-2026-000014106

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000014106) never changes.

Identity and time

Publication numberOT-2026-000014106 · never reused
Internal UUID01a0ae6d-b278-780a-ba96-d1a715c9dfb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014106
StatusPUBLIC

Content hashes

Canonical texteff6b672e2dec364e23f7adad967a61f0a3ec29dcb9a7b149b2bdd8adc727bac
Markdown3c310223d8bd11881ed41a32843989fe6de18bbd2982f6f7fb75adbcb3226b7d
PDF
Publication page1d48ed10d3d5997aeae463f93d2fee7a2180302f49cb19a7c23a6b49b50c78fa
Manifest8aac0f467775cef83de8c9c83038324be1ad6fa02b37f05bc79cd7de7b0cef15

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
SignatureWnmunkawgoECb2i7zMYJ0NteS0iTf1BggY6u2yQfMvn6Prb00XKNotiCxkMvQp3bgAenjRXKto6hPYxo5rDwDg==
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

2026-09-17T12:07:10.229587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014106
observed 1d48ed10d3d5997aeae463f93d2fee7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.211788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014106/manifest.json
observed 8aac0f467775cef83de8c9c83038324b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.191540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014106/publication.md
observed 3c310223d8bd11881ed41a32843989fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.172066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014106/publication.txt
observed eff6b672e2dec364e23f7adad967a61f...
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.