OpenTechnical

OT-2026-000016288

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000016288) never changes.

Identity and time

Publication numberOT-2026-000016288 · never reused
Internal UUID01a0ae6e-2d11-73a5-ac96-93393e32dfac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016288
StatusPUBLIC

Content hashes

Canonical text180734034c28982a15aaf09deffa687cb309cc967a76fa3bfb72f55ccdb108d0
Markdown2f0c7f92af9721a88e9d3f26e77a25a555e621d626ab3d30eee7439bf3c7701e
PDF
Publication page8cba8dd2e8a7dcad25e086d4a22e87189054bb981290d36ec0d99feacf68a272
Manifest29cfb825325de8db2f2ca550436f67b5bf165f2a7459efa953efadd6d35a60d0

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
SignatureKtGB+JuXGdjaj1yQwPA06HZSnNyP0aOi47aqjWpcNsNghXp5HI3He6owre7WfcuGsbReRk+MqHxuM/ZIIPVjCw==
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

2026-09-17T12:03:46.585271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016288
observed 8cba8dd2e8a7dcad25e086d4a22e8718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.564459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016288/manifest.json
observed 29cfb825325de8db2f2ca550436f67b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.548086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016288/publication.md
observed 2f0c7f92af9721a88e9d3f26e77a25a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.530179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016288/publication.txt
observed 180734034c28982a15aaf09deffa687c...
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.