OpenTechnical

OT-2026-000049750

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049750) never changes.

Identity and time

Publication numberOT-2026-000049750 · never reused
Internal UUID01a0ae81-8fef-7f3b-82b1-88e5f2e6289f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049750
StatusPUBLIC

Content hashes

Canonical text065ac759460052f5b2f4083148284efaf77bcf1608ca6f7a23bcb51f3c01c1b8
Markdown5e555d274a91ec234d7d30e17ed80df111a8cbf39923e361790fff6e98acaf1d
PDF
Publication page745bb71bf1097c3349a9fc309c81a29e0f044b7e17254cd604d39eb8c06d96ed
Manifesta58d03757d943d68a68ee0cffb92d73d76cfad75b64b08e017457163990a8fb7

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
Signature802gojZOaI0Snns07+vupgZcDEVhkNU8QqXiXh4peoEsh19ghYPuerDa6EaBYssa72VnEu4yLCMx/7xbmdANAA==
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

2026-09-17T11:02:46.762780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049750
observed 745bb71bf1097c3349a9fc309c81a29e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.743776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049750/manifest.json
observed a58d03757d943d68a68ee0cffb92d73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.724769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049750/publication.md
observed 5e555d274a91ec234d7d30e17ed80df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.707012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049750/publication.txt
observed 065ac759460052f5b2f4083148284efa...
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