OpenTechnical

OT-2026-000046159

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000046159) never changes.

Identity and time

Publication numberOT-2026-000046159 · never reused
Internal UUID01a0ae7e-032b-7751-a0ee-fd006298adc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046159
StatusPUBLIC

Content hashes

Canonical text0ed28aa74fa3945a3e89d0849985ec8df44727c400f26a1d319faade83c3c799
Markdown822a4d73532cee23efd785433e6df5f24198c80773e6b21c612047856ce4f1b2
PDF
Publication page8a0676a3b6b08c215fd18dfbb9183a0ccee7740c2b0d558a5600ea5631d6dae4
Manifest8f9a6e9a7ead3234bb8d3c28b98d90f7067ea9eea78e457c9ad6b207f4663f6c

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
SignaturegV8Ywhk5rNd6TWe7qqYxXJtfQ7fkq0Wjoue8KgxKZAPZQf4tGe4VokuUWKsOH0m4GzIT/nxBDLqMFZ/Dwt0iBg==
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

2026-09-17T11:09:09.510366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046159
observed 8a0676a3b6b08c215fd18dfbb9183a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.491285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046159/manifest.json
observed 8f9a6e9a7ead3234bb8d3c28b98d90f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.470039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046159/publication.md
observed 822a4d73532cee23efd785433e6df5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.449786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046159/publication.txt
observed 0ed28aa74fa3945a3e89d0849985ec8d...
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.