OpenTechnical

OT-2026-000048492

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000048492) never changes.

Identity and time

Publication numberOT-2026-000048492 · never reused
Internal UUID01a0ae80-4de5-7dce-ab0f-feefdeb1ca6d · 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-2026-000048492
StatusPUBLIC

Content hashes

Canonical textb9878f02af7a16f234c15ac00d0059b8f87231ff9df1996c0009ee7009cd2c05
Markdowncd4facd9c294e6e1e282e218411b7a3a7e0b83c31add00e0b438591626867096
PDF
Publication page7484e5afb23f58df7593d77da19b44b920ae52a811077b8e6bff44a33441d791
Manifest21eccb7e2db1f7c75bde1859a89bf23f0377c01ea0bc2f7d256910d430842c4c

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
Signature0+4kN/Y8bmteFR18SysxzXTJnxIe4srNpCa8Pc+LexYLwo54c8Ml6RRQvQXqCmn4hPtw48cI/j9mxkAeTyKrAg==
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

2026-09-21T04:23:16.924080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492
observed 7484e5afb23f58df7593d77da19b44b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:16.908128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492/manifest.json
observed 21eccb7e2db1f7c75bde1859a89bf23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:16.882730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492/publication.md
observed cd4facd9c294e6e1e282e218411b7a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:16.860475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492/publication.txt
observed b9878f02af7a16f234c15ac00d0059b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.764957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492
observed 7484e5afb23f58df7593d77da19b44b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.745100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492/manifest.json
observed 21eccb7e2db1f7c75bde1859a89bf23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.725936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492/publication.md
observed cd4facd9c294e6e1e282e218411b7a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.707785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048492/publication.txt
observed b9878f02af7a16f234c15ac00d0059b8...
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