OpenTechnical

OT-2026-000047578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000047578) never changes.

Identity and time

Publication numberOT-2026-000047578 · never reused
Internal UUID01a0ae7f-3e59-718e-ac86-394fc1e6aa68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047578
StatusPUBLIC

Content hashes

Canonical text282f1e9da77b5175ef411923324fde129db04483ce8c779c0cf77a7bbf3d217c
Markdown41cc03cd926c713119abb756efd37d2e6b68d3c6549696ae733c0d5ab272a1ef
PDF
Publication page94ce5af217269661a1b78c6a404cacfebbc5180f321a4fdd0d842f0bc1433b9b
Manifest3ee92fe6df5d093a8f9e0224fc2e426b1bd67b77f9520bc0dc506a4ca5bae0ae

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
SignatureL2wghHXzgJVnmBn5XF2CKDFFtCDeMNBP5B7CsT7BAzgH2P/3YYhLQVfUbjvq/oKA3QvcN2AaBIdYQ56WmeUGBQ==
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

2026-09-17T11:06:42.448042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047578
observed 94ce5af217269661a1b78c6a404cacfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.421146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047578/manifest.json
observed 3ee92fe6df5d093a8f9e0224fc2e426b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.402634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047578/publication.md
observed 41cc03cd926c713119abb756efd37d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.376570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047578/publication.txt
observed 282f1e9da77b5175ef411923324fde12...
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.