OpenTechnical

OT-2026-000026511

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000026511) never changes.

Identity and time

Publication numberOT-2026-000026511 · never reused
Internal UUID01a0ae71-f4a8-750e-a14b-4bf77b258748 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026511
StatusPUBLIC

Content hashes

Canonical textca58fb37832d496c0b9ed6e7dae777fd52d6b073ee8d3872f1af1e96cac3f8c8
Markdown467f7a349c41b3368567d52c0c19be833a8eb12a7cb8501acd0d22c5162f94fb
PDF
Publication page8cc2ab61c98e3885f156c80e10f9fe08b70ec8d3bfbcf251b7de811a243ce589
Manifestcf803e4c88f5d1cf212ad36c9097d293cf4045055658ae2607237a40f576753e

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
SignatureNlnAb3+9zRnO2RGm1ksZFei/L0zbowyCB/2QhEYg9ruRBdq45HK6cIZ+8biyGXof6oTNNu1wgfBKNulG6rmaCg==
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

2026-09-17T11:44:08.933686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026511
observed 8cc2ab61c98e3885f156c80e10f9fe08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.897964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026511/manifest.json
observed cf803e4c88f5d1cf212ad36c9097d293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.878776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026511/publication.md
observed 467f7a349c41b3368567d52c0c19be83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.842324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026511/publication.txt
observed ca58fb37832d496c0b9ed6e7dae777fd...
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.