OpenTechnical

OT-2026-000024143

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000024143) never changes.

Identity and time

Publication numberOT-2026-000024143 · never reused
Internal UUID01a0ae70-e8c7-78a8-b755-47be3c51bd03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024143
StatusPUBLIC

Content hashes

Canonical text4a0f9fc68e7c7a9862b4c7305f3fff322351a467a07b5f9b0d580a07354922fc
Markdownbfb4360989d4ee3e3c5f2ac711e611b24a0c2183784c928bb3aec68691c7321f
PDF
Publication page29d74502bb01ea336ac5cf115b72964fbb2c16df585fd65aec0b255fa1411771
Manifest1a086100bea4da2495f5c145f7e0700cd60251572d5d8eb3ddb6686201c61645

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
SignaturemxrBpd8J2fmEQ+32MLkvKKMjGq2CEuy65xYltVcWARp7tBTBh/KAzG0/fYFaNTkbKQD/CNzgSO5DESOCHIs2CQ==
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

2026-09-17T11:48:34.563004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024143
observed 29d74502bb01ea336ac5cf115b72964f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.546138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024143/manifest.json
observed 1a086100bea4da2495f5c145f7e0700c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.528233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024143/publication.md
observed bfb4360989d4ee3e3c5f2ac711e611b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.510438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024143/publication.txt
observed 4a0f9fc68e7c7a9862b4c7305f3fff32...
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