OpenTechnical

OT-2026-000043999

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043999) never changes.

Identity and time

Publication numberOT-2026-000043999 · never reused
Internal UUID01a0ae7b-d679-73ce-848e-a4c9df1927a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043999
StatusPUBLIC

Content hashes

Canonical textdc7de7f35739e4a0aba8a6bc1a5e34e52e1ec14074c1971a4504dc2657e74a46
Markdown1390d0a7392fff66a962b6010feb6b377f76bf2bd6d382fdf92d9e870ff2cfd1
PDF
Publication page621a27f4af81e3d7b4faa83dcb98e344ab84d524bf4dfa13b2510178eb1c7d7d
Manifest14c47a0c2ff0e7d02367ae1e3dd4acfc00a1215c142f05831440c221fc332956

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
Signaturep9XPUd4pIPT6DvoY44ydTJhsq6fXgTCdv53YZh4w98gfIT6vjYw5IQbg6kyypUKj85jkCyDphBpjnYUQpdURAQ==
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

2026-09-17T11:12:22.476818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043999
observed 621a27f4af81e3d7b4faa83dcb98e344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.457533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043999/manifest.json
observed 14c47a0c2ff0e7d02367ae1e3dd4acfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.423727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043999/publication.md
observed 1390d0a7392fff66a962b6010feb6b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.404106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043999/publication.txt
observed dc7de7f35739e4a0aba8a6bc1a5e34e5...
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.