OpenTechnical

OT-2026-000099420

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099420) never changes.

Identity and time

Publication numberOT-2026-000099420 · never reused
Internal UUID01a0aea2-c973-7506-bd01-d441160ed326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099420
StatusPUBLIC

Content hashes

Canonical text824f238f2e9c6123aafedfa8c6d3393eaff39b8ccbe127baaa8182249e2e46b9
Markdownfa7fed23dcf9c1cf1945bf4b626b38e30f9b496e137470a238cf1c862613b023
PDF
Publication page4ea7070ad8122c121aedb9a1e89f69f052637a6c7cd92f4b4731b337e78e831b
Manifestd1ddedfd5defda222cc7d64435768578aab8363cd58913c4ca0d70c9b7a8aac4

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
SignatureCTE91cYB06UYkkbkdlAOAcCL4JpiGoUMdzvhPCCfubDpeaOFvCCoyn/6NqQo2VRI9ET97TAKaj4z5R70KhmeCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-10-10T20:42:06.157055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420
observed 4ea7070ad8122c121aedb9a1e89f69f0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T20:42:06.063807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420/manifest.json
observed d1ddedfd5defda222cc7d64435768578...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T20:42:05.976465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420/publication.md
observed fa7fed23dcf9c1cf1945bf4b626b38e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T20:42:05.872027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420/publication.txt
observed 824f238f2e9c6123aafedfa8c6d3393e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.494905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420
observed 4ea7070ad8122c121aedb9a1e89f69f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.475701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420/manifest.json
observed d1ddedfd5defda222cc7d64435768578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.454512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420/publication.md
observed fa7fed23dcf9c1cf1945bf4b626b38e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.436378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099420/publication.txt
observed 824f238f2e9c6123aafedfa8c6d3393e...
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