OpenTechnical

OT-2026-000048460

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000048460) never changes.

Identity and time

Publication numberOT-2026-000048460 · never reused
Internal UUID01a0ae80-4de5-7e0c-a851-ab7dd7b727a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048460
StatusPUBLIC

Content hashes

Canonical textdf5cd3819b147d7a4019fa33d19382b3138af2dfead10af5471288b2cc2d52d1
Markdown877026d558c301d091894e0b870acc4a35e871a8611e9dd1bde84161d6959c48
PDF
Publication pagef80f80cbe62d50bc7dea504453da8630dc7bb39d481585b755a6ebd9652e560e
Manifest58af915347b626570dee2e7da15c4d71d8dcd468a4b315ca50b0667ecc9712fd

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
SignatureoRMabOeXUb5FeLPGpDOnaLwNz/0NbzFZuMeQuc2ooOlonMcvCxZrhOZrPOdo28NUiAumwitOa/0zEfi29YS7Dg==
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

2026-09-17T11:05:07.175778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048460
observed f80f80cbe62d50bc7dea504453da8630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.157953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048460/manifest.json
observed 58af915347b626570dee2e7da15c4d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.137708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048460/publication.md
observed 877026d558c301d091894e0b870acc4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.118994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048460/publication.txt
observed df5cd3819b147d7a4019fa33d19382b3...
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.