OpenTechnical

OT-2026-000049970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000049970) never changes.

Identity and time

Publication numberOT-2026-000049970 · never reused
Internal UUID01a0ae81-fd77-7511-ad01-2eaa659fc01c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049970
StatusPUBLIC

Content hashes

Canonical text114b765385175b1819fed468ffb9a0d0036e22fdccad98bf53325775b147eec9
Markdownf4400833a489a3a225612809707430a10a9cc50ba121ae8726adde36848207de
PDF
Publication page568c74c9b4dec1c70cdb2c5367916e9dab819da4da1b8bb06cf684ab12506f9a
Manifeste9638fec9cb3c13f4d71c5382c84426f02bbd587615e71d7c9c70d688c380286

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
SignaturewMPn1t2puTC2/xbDrIzusPyada0IVMbbYO9BxJDiI6mX5LFLLHZIb+/e5r1bf7xCwihqjyRYz6u0FTQH6ZfCCA==
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

2026-09-17T11:01:55.096712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049970
observed 568c74c9b4dec1c70cdb2c5367916e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.077182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049970/manifest.json
observed e9638fec9cb3c13f4d71c5382c84426f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.056026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049970/publication.md
observed f4400833a489a3a225612809707430a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.036906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049970/publication.txt
observed 114b765385175b1819fed468ffb9a0d0...
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.