OpenTechnical

OT-2026-000023230

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000023230) never changes.

Identity and time

Publication numberOT-2026-000023230 · never reused
Internal UUID01a0ae70-7267-7039-af59-cc6afa572fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023230
StatusPUBLIC

Content hashes

Canonical textfece975d9d63fcb1a80893ad803c57d495fcdef60b7abe9668b8ccb0c1f97750
Markdownafa8dfd04b0e24b38b47274bbca0b7117c9839920c826ddebf943957456efa30
PDF
Publication pagee9064cf7dc8af2d3ce2424ded986531ec9837611c55f01637c0997b3c60f5666
Manifestf8147c0da608ed3b92e4033a89a6d322ffcc3f70e1d4c344f535cdc51153dae1

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
Signaturet7z/0n7OP04fuew3Fp3paWw2JcQVV1KMMuxAo2d03m0Vo+SmSgvnyBO4Phtwfm69fpWEXyVY2uQCDkwH5hqvDA==
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

2026-09-17T11:51:17.368133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023230
observed e9064cf7dc8af2d3ce2424ded986531e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.351627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023230/manifest.json
observed f8147c0da608ed3b92e4033a89a6d322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.332879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023230/publication.md
observed afa8dfd04b0e24b38b47274bbca0b711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.315041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023230/publication.txt
observed fece975d9d63fcb1a80893ad803c57d4...
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.