OpenTechnical

OT-2026-000044157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044157) never changes.

Identity and time

Publication numberOT-2026-000044157 · never reused
Internal UUID01a0ae7b-d67b-732b-93c5-1e6dc5ead978 · 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-2026-000044157
StatusPUBLIC

Content hashes

Canonical textbdfbb6feba621ef3e257e9d2d525ddef8442c35c450c93355f973af8fb1eebc9
Markdown771275c14b30c11569b06ea0b4efc6b10afabf3027f52ecd2b2f7177607e7619
PDF
Publication page16cae2e78c58fe3d4d3af7882653715d9e68ce902ce59b732d0a1ac2a2e8a5c6
Manifestac2fedce2b1f09079bf49a3c124bc70a0b833a32928c3ca4620d3b37af82405e

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
Signaturem79XBoUdzobqQURcyAq6HKTDaUzxb5LG9gKtz3Hgd2Qb0OV7COgOjqsNX6dCnX48D4nt2OFosWYWvbFdtJ/LCQ==
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

2026-09-17T11:12:35.045377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044157
observed 16cae2e78c58fe3d4d3af7882653715d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.027193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044157/manifest.json
observed ac2fedce2b1f09079bf49a3c124bc70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.007766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044157/publication.md
observed 771275c14b30c11569b06ea0b4efc6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.989308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044157/publication.txt
observed bdfbb6feba621ef3e257e9d2d525ddef...
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.