OpenTechnical

OT-2026-000026472

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000026472) never changes.

Identity and time

Publication numberOT-2026-000026472 · never reused
Internal UUID01a0ae71-f4a8-75a3-9e57-7b6395099cb3 · 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-2026-000026472
StatusPUBLIC

Content hashes

Canonical textb8a54dee58e6129bf414bea0e59f4a89b427db119aa11893f485677a4cfdb5b6
Markdown9f1d910524de911606ff1f33cc1420184c58309a95ce9cd8e770b72d348556c4
PDF
Publication page383e4b8037a1c11869331fb9b7a98ede81cd10582d71f671e74c5a173e7a97a3
Manifest166b9d8b29ca9af4dbfc1995c1a00f5f72a374e42595314b47b44395fe5456f9

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
SignatureTyJBxNFH1QxYuGcfx8hz+/jfE9p4Qf1h5+ZS8PKczxiikYyhfjaRMVidLpIKXc4pexKWUXv2Rga+QLJL/579AQ==
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

2026-09-17T11:44:28.691331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026472
observed 383e4b8037a1c11869331fb9b7a98ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.676377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026472/manifest.json
observed 166b9d8b29ca9af4dbfc1995c1a00f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.659332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026472/publication.md
observed 9f1d910524de911606ff1f33cc142018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.640896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026472/publication.txt
observed b8a54dee58e6129bf414bea0e59f4a89...
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.