OpenTechnical

OT-2026-000044927

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000044927) never changes.

Identity and time

Publication numberOT-2026-000044927 · never reused
Internal UUID01a0ae7c-911c-7718-b79f-bf0de54dd163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044927
StatusPUBLIC

Content hashes

Canonical text68fba8d718b622e8bce25cb9e770279d696163aa96ca1ca9610bb1708a98f804
Markdown1cebba5d701ddead927014cce03d903f6bcdb1a429fe684d5b3f8024c4e4ce2b
PDF
Publication page8141ca91ea02a208e281b7bba837fc088bf1155e3cba64e61747b391eb6271ad
Manifest3fecedcd0465a475937ef3d100057a803628be0f170b8a661b8f42c3c15154c1

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
SignatureH2Oc17xy5iqsYfNQ7W24+XzswDrdG/Kjjxq1C0c7C8q8UzCGCaPqBLNScl/rg2EZF8TsjJCbbpDQnzTZSEWnBg==
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

2026-09-17T11:11:36.049498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044927
observed 8141ca91ea02a208e281b7bba837fc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.030989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044927/manifest.json
observed 3fecedcd0465a475937ef3d100057a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.010868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044927/publication.md
observed 1cebba5d701ddead927014cce03d903f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.991318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044927/publication.txt
observed 68fba8d718b622e8bce25cb9e770279d...
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.