OpenTechnical

OT-2026-000050652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000050652) never changes.

Identity and time

Publication numberOT-2026-000050652 · never reused
Internal UUID01a0ae82-c7b0-7bb6-8f46-b11f70548e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050652
StatusPUBLIC

Content hashes

Canonical text4bfb462346a0f824c3e0c6bfffc245ef90f5506d937c9b6214e23f410186d7cb
Markdownf0a7818dbe707f3e5ddb9cd92dba04990ec964ea1546524035c0a5b31070679b
PDF
Publication pageabb29ed20db2be958b9c90871c168d11f151863be02a6f58d4767dabe904f6e9
Manifest7b027b05862c1f3bf6879e8396c3c26f5d18464cbef5e90ee4e18efdf2dac11c

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
SignatureA/5iHMfNKLODNOyo4OG9UuMOZtt/dI+UdGi9Yi9tXuykO/UUXrHGVpG9usX9+iDv1Bc2R6gQyDK2IFYXfShNAQ==
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

2026-09-17T10:59:21.048956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050652
observed abb29ed20db2be958b9c90871c168d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.028470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050652/manifest.json
observed 7b027b05862c1f3bf6879e8396c3c26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.008795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050652/publication.md
observed f0a7818dbe707f3e5ddb9cd92dba0499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.990253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050652/publication.txt
observed 4bfb462346a0f824c3e0c6bfffc245ef...
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.