OpenTechnical

OT-2026-000103551

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000103551) never changes.

Identity and time

Publication numberOT-2026-000103551 · never reused
Internal UUID01a0aea4-e461-7251-8aa9-4e8f8ae05b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103551
StatusPUBLIC

Content hashes

Canonical text9c1a703ca796539ff02dd09e4d52a43743e5c95f1badaedf280784b283351160
Markdown0c5852334bdd1503f347398af0977cd88af549de4b75f31700395076fdb56c36
PDF
Publication pagea951b47a6c40afe92528258a87addd7da2d8195b79f7607a3c1fb624dca5178c
Manifestfd612c7f276eab618ca1d359eacadabce227a80c60e7996f756987d6ee177cad

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
Signatureg/hilJV9M4grfK5kVmNCmvzaNY/anGLLg9O1ZjlxA/PIoeCWvV4byJjgUBQ5Hl0uSwhy2ohgYw6Bke4J84NlBA==
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

2026-09-17T09:22:19.786389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103551
observed a951b47a6c40afe92528258a87addd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.769900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103551/manifest.json
observed fd612c7f276eab618ca1d359eacadabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.752912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103551/publication.md
observed 0c5852334bdd1503f347398af0977cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.736031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103551/publication.txt
observed 9c1a703ca796539ff02dd09e4d52a437...
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.