OpenTechnical

OT-2026-000016491

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000016491) never changes.

Identity and time

Publication numberOT-2026-000016491 · never reused
Internal UUID01a0ae6e-2d13-77fc-b59d-599c28bdbe26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016491
StatusPUBLIC

Content hashes

Canonical text1016e766499e486134e7f3df31640ba506d2ede9ce66833db127bbadb2527597
Markdownb1f5ea08ee502507d9b055c9ad333845307b02766c6be9e6f807bd5986e38399
PDF
Publication page2111d68a51f85331a3ef1b701665c10d8cc92368420024169e1460952abd1f16
Manifest5e7a8327deb2084edce0ea2d905e3e93e3ee6deda543631479756fd08f679e05

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
SignatureOdLxAI2PF6OwzGsba30Akgxm09wsBmt0paiH7GbDbq8PghhSEkSKFJ192jB1Lkh0rOxhNg+yOKzK2WysBtY2AQ==
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

2026-09-17T12:04:41.864359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016491
observed 2111d68a51f85331a3ef1b701665c10d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:41.846966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016491/manifest.json
observed 5e7a8327deb2084edce0ea2d905e3e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:41.829016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016491/publication.md
observed b1f5ea08ee502507d9b055c9ad333845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:41.810355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016491/publication.txt
observed 1016e766499e486134e7f3df31640ba5...
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.