OpenTechnical

OT-2026-000025237

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000025237) never changes.

Identity and time

Publication numberOT-2026-000025237 · never reused
Internal UUID01a0ae71-5fa6-7249-9c60-6f1e8682d251 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025237
StatusPUBLIC

Content hashes

Canonical text26eeedb96c5d7eafb7893ec93a732550caab65f5cf106173c1ae2dcc0dc1b782
Markdownc91729deb48ca97ed35f488a235507fe0dc3d594f50658927a61e8708840d3f8
PDF
Publication pagea2ac6fc6df28a84f9463fe1708b55c7fd3b11c1b1756e540e157e7f011f5a9a1
Manifest3390d360893cb8e8a19b111ed800948500519fb929ebfadb68d5350fa54bf6fc

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
SignaturebO0+5kv6RCIHh+PUeNjKPSfCvewhf8lahKCykciN+OCvKVb/EMVokHt2mE/0EwMTj4gkK38RNPsrs9hnwx1sBg==
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

2026-09-17T11:47:11.726301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025237
observed a2ac6fc6df28a84f9463fe1708b55c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.708144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025237/manifest.json
observed 3390d360893cb8e8a19b111ed8009485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.691896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025237/publication.md
observed c91729deb48ca97ed35f488a235507fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.638832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025237/publication.txt
observed 26eeedb96c5d7eafb7893ec93a732550...
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.