OpenTechnical

OT-2026-000010408

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, vented before 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-2026-000010408) never changes.

Identity and time

Publication numberOT-2026-000010408 · never reused
Internal UUID01a0ae6c-0ee6-77a8-aeaf-cb9d3246c11f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010408
StatusPUBLIC

Content hashes

Canonical text0c81eb6b65dc608cf86081d0331f348657ff727a8b5d85f22eabf9aee02d52b1
Markdownaec619877fef4784f4467cc22b68cad787720baf0588e77d140789389d4865b0
PDF
Publication page2b77f26060e2b6e99e856b7d07fc6eb41d226eb96eb6f8d192db58f09c558863
Manifest79c93a5e004dc881ecbd2653130f6eea3747d5d691233324b6def84c9a6ccb9f

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
SignatureWorc8sZhHo//oXiQhUqlDNtelcOS5Nq3RLQ4dW1kuvnqPqtmJXsu2LLcR15uIvlibk/ucDFOVxy9GlwSWOC/Aw==
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

2026-09-17T12:14:17.933741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010408
observed 2b77f26060e2b6e99e856b7d07fc6eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.914707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010408/manifest.json
observed 79c93a5e004dc881ecbd2653130f6eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.896032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010408/publication.md
observed aec619877fef4784f4467cc22b68cad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.876506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010408/publication.txt
observed 0c81eb6b65dc608cf86081d0331f3486...
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.