OpenTechnical

OT-2026-000039980

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000039980) never changes.

Identity and time

Publication numberOT-2026-000039980 · never reused
Internal UUID01a0ae78-d8d7-7754-a390-bda6dfa89708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039980
StatusPUBLIC

Content hashes

Canonical textef9038a3e89555a96903f457965a538bcfb9fdd38d78fbd7b0db072ffca86e2a
Markdown5295698cb0cbcf11f22248abea5df854cf5c3874883224a5850b4b770f533266
PDF
Publication pagea213b1ca65a6e3ee8b8daf3efbbecafecd848aa52a48cff4f4c05dfe5471e5af
Manifest4769408c5943bd1099df9ebef97c53def17f458d5177bdbf1f3cc3f0a36ed61f

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
SignaturewbMmelIuruaYNF/h2sVuSdb54UUCoJBWy+LADdpS4KNsUKGhZZovOoSQjuAJiyYmlXr7mgbSUG9y9IaqHr9hBQ==
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

2026-09-17T11:20:18.474437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039980
observed a213b1ca65a6e3ee8b8daf3efbbecafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.455043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039980/manifest.json
observed 4769408c5943bd1099df9ebef97c53de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.434769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039980/publication.md
observed 5295698cb0cbcf11f22248abea5df854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.413758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039980/publication.txt
observed ef9038a3e89555a96903f457965a538b...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent