OpenTechnical

OT-2026-000043186

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000043186) never changes.

Identity and time

Publication numberOT-2026-000043186 · never reused
Internal UUID01a0ae7b-327c-742d-9f22-c79b95f8aaed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043186
StatusPUBLIC

Content hashes

Canonical text33204b433b6911ac004c3e1fa27a452752abf6b4179fae827508f1705103bc99
Markdown279ac181787f573d40af3fd04567a5e0e6b5ed85fc1a8f3c4442ccbd5c1b0eab
PDF
Publication page911558cfecdb7b28ed18231dade538b492ebbd378970977d1f9aaf9d792507cd
Manifest562c48ba7ff2e586ec61622fbe580df0ecd40889fd0f59bf3e91a4a95ac7d09b

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
Signatureu27uWRu7og+e0qkmFgnREqMdhouWwDxdgTdmJVRIfnzls9QBiow3VBmMXXcx+CKpSd1XmTrtgyR1J10UE/NkBQ==
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

2026-09-17T11:13:38.379738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043186
observed 911558cfecdb7b28ed18231dade538b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.361234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043186/manifest.json
observed 562c48ba7ff2e586ec61622fbe580df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.321395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043186/publication.md
observed 279ac181787f573d40af3fd04567a5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.282655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043186/publication.txt
observed 33204b433b6911ac004c3e1fa27a4527...
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.