OpenTechnical

OT-2026-000098058

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line 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-2026-000098058) never changes.

Identity and time

Publication numberOT-2026-000098058 · never reused
Internal UUID01a0aea1-e963-7405-a639-a56bcc240f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098058
StatusPUBLIC

Content hashes

Canonical text7a31b847b9fbbf4dfab77c0de12a7edd66347d819d9d6155a6b1d83eba57854a
Markdownaa6f814b7aab7e9c7be15c6fc96cde724b83c5e218df95fced2062e916a0e4f6
PDF
Publication paged8ef1b73677cb502715e6f2f752c423eb83925f8b49ab1252bffae13c06e30d1
Manifest4ed6fe47d3df68160ef82d7b8d141551d94f9c35c9da7b81831d24f23908f2af

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
SignatureoysiHerh2KGbY86JYkLdOCoD45NF/v5cyCQ3cHAQsGzvenS2z9KaFgEwrVCKcloIAkfQIE+0Tg/UWq/zQ4jtDw==
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

2026-09-17T09:31:11.191003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098058
observed d8ef1b73677cb502715e6f2f752c423e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.175027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098058/manifest.json
observed 4ed6fe47d3df68160ef82d7b8d141551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.158261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098058/publication.md
observed aa6f814b7aab7e9c7be15c6fc96cde72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.140138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098058/publication.txt
observed 7a31b847b9fbbf4dfab77c0de12a7edd...
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.