OpenTechnical

OT-2026-000022194

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000022194) never changes.

Identity and time

Publication numberOT-2026-000022194 · never reused
Internal UUID01a0ae6f-f4fc-7ce8-aedb-b7f171a6fda0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022194
StatusPUBLIC

Content hashes

Canonical text6436f3bc1463a4f93d23bfbab408c98c4fa155a555f02144d1406553de781823
Markdown7a81b3d894be0249c69fc94bf9d3c542d5ad24be8d767009ff4e1d1a490a9626
PDF
Publication pagef87bedff779a1bf609e4abbfd1e882e108b790787b02bec6e58c2741b2eceecf
Manifest1a1142306c307b95f7e06396a1d0f118b29b4bf07b977a42542d3a329fe9c6f5

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
Signature0dma/tPgG8GVUuxxF1gOuFp0xkhVK6TtUYsULEPmcjQqRHD+cK2Hs/SNNU+mtCJZzZiNiXo0dCDHG0MLYrd/Dg==
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

2026-09-17T11:52:52.716417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022194
observed f87bedff779a1bf609e4abbfd1e882e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.700797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022194/manifest.json
observed 1a1142306c307b95f7e06396a1d0f118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.683708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022194/publication.md
observed 7a81b3d894be0249c69fc94bf9d3c542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.664423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022194/publication.txt
observed 6436f3bc1463a4f93d23bfbab408c98c...
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.