OpenTechnical

OT-2026-000047574

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-2026-000047574) never changes.

Identity and time

Publication numberOT-2026-000047574 · never reused
Internal UUID01a0ae7f-3e59-72e3-b4ec-c4ec726a58e6 · 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-2026-000047574
StatusPUBLIC

Content hashes

Canonical textc932d63afc3e15c4ae86c8c5319d03825ccb6d78796d24c99aed527bc3ba8af6
Markdowndac07d5285b77a3fefde5249d5e76f5920944a5617fc65416476e432d7d6f9cc
PDF
Publication page602d80573fd32c8e93251cd33efc49c304169dd1fe67fa5025806874fddd1a57
Manifest71ca69ec8f3940c959a0016b3630c20b3c9e47a37d0f15acde21d5b6fd2dd901

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
Signature4rfupdlNKvmBhOm4LsXg18KXB+bv5cKA49k/gzKbEL3WFruU0ZrnwdofGPC6nIv1H7/FGjURH6xxGfpJTdYoDQ==
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

2026-09-17T11:06:42.031633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047574
observed 602d80573fd32c8e93251cd33efc49c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.013239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047574/manifest.json
observed 71ca69ec8f3940c959a0016b3630c20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.993257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047574/publication.md
observed dac07d5285b77a3fefde5249d5e76f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.975449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047574/publication.txt
observed c932d63afc3e15c4ae86c8c5319d0382...
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.